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hvnsweeting/PYMI2210_02.ipynb

Created October 25, 2022 15:58
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Học Python Hà Nội Sài Gòn TP HCM 2022 lớp pymi.vn 2210
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PYMI2210_02.ipynb
{
"cells": [
{
"cell_type": "markdown",
"id": "d6827570",
"metadata": {},
"source": [
"# Pymi.vn - lesson 2"
]
},
{
"cell_type": "markdown",
"id": "167e8f6d",
"metadata": {},
"source": [
"## number (cont)"
]
},
{
"cell_type": "code",
"execution_count": 1,
"id": "1ff6b7a8",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"14"
]
},
"execution_count": 1,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 + 3 * 4"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "56dd9ea5",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"20"
]
},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"(2 + 3) * 4"
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "2a04986b",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2.0"
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"4/2"
]
},
{
"cell_type": "code",
"execution_count": 4,
"id": "b99234cb",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2.5"
]
},
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"5/2"
]
},
{
"cell_type": "markdown",
"id": "51e6e565",
"metadata": {},
"source": [
"// - floor division"
]
},
{
"cell_type": "code",
"execution_count": 5,
"id": "32468f09",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2"
]
},
"execution_count": 5,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"5//2"
]
},
{
"cell_type": "markdown",
"id": "9546456e",
"metadata": {},
"source": []
},
{
"cell_type": "markdown",
"id": "938c4575",
"metadata": {},
"source": [
"### power"
]
},
{
"cell_type": "markdown",
"id": "fcf9c117",
"metadata": {},
"source": [
"2 mu 3 == 8"
]
},
{
"cell_type": "markdown",
"id": "633b56d7",
"metadata": {},
"source": [
"## 2 to the power of 3"
]
},
{
"cell_type": "markdown",
"id": "580e70c9",
"metadata": {},
"source": [
"## day khong phai phep luy thua"
]
},
{
"cell_type": "code",
"execution_count": 7,
"id": "39f6dbcd",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1"
]
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 ^ 3 "
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "5382f7b4",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 8,
"id": "5a2e83e8",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"8"
]
},
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 ** 3"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "44fc3ee6",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 9,
"id": "00322ef4",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1.4142135623730951"
]
},
"execution_count": 9,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 ** (1/2)"
]
},
{
"cell_type": "markdown",
"id": "7be223f1",
"metadata": {},
"source": [
"## bấm ctrl-C để dừng tính"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "80886f12",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"id": "bf9fadc6",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"id": "27600d3f",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "7e6182c8",
"metadata": {},
"source": [
"### modulo"
]
},
{
"cell_type": "code",
"execution_count": 10,
"id": "eb41d466",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1"
]
},
"execution_count": 10,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"5 % 2"
]
},
{
"cell_type": "code",
"execution_count": 11,
"id": "71c78b76",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"0"
]
},
"execution_count": 11,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"4 % 2 "
]
},
{
"cell_type": "code",
"execution_count": 12,
"id": "4d01dd6b",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 12,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"4 % 2 == 0"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "dba54f5b",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "2a906a1f",
"metadata": {},
"source": [
"## giảm kích thước bài tóan có tính chu kỳ"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "40b47679",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "21142749",
"metadata": {},
"source": [
"## bói toán"
]
},
{
"cell_type": "markdown",
"id": "56f853e1",
"metadata": {},
"source": [
"## 2022 - nhâm dần"
]
},
{
"cell_type": "markdown",
"id": "bb9a0fca",
"metadata": {},
"source": [
"## 2012?? - nhâm thìn? "
]
},
{
"cell_type": "markdown",
"id": "dd806e0e",
"metadata": {},
"source": [
"2010 - **** dần "
]
},
{
"cell_type": "markdown",
"id": "fa1b7fc2",
"metadata": {},
"source": [
"## thiên can - địa chi "
]
},
{
"cell_type": "markdown",
"id": "aa281de7",
"metadata": {},
"source": [
"## 12 địa chi\n",
"- tí \n",
"- sửu\n",
"- dần\n",
"- mão\n",
"- thìn \n",
"- tỵ \n",
"- ngọ\n",
"- mùi\n",
"- thân\n",
"- dậu\n",
"- tuất \n",
"- hợi "
]
},
{
"cell_type": "markdown",
"id": "52ee1550",
"metadata": {},
"source": [
"## 10 thiên can \n",
"- canh\n",
"- tân\n",
"- nhâm\n",
"- quý\n",
"- giáp\n",
"- ất\n",
"- bính \n",
"- đinh \n",
"- mậu\n",
"- kỷ"
]
},
{
"cell_type": "markdown",
"id": "b2c4ff2a",
"metadata": {},
"source": [
"## 1990 - canh ngọ"
]
},
{
"cell_type": "code",
"execution_count": 17,
"id": "33b5cd37",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"8"
]
},
"execution_count": 17,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"(2022-1990)%12"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "f52c8d4a",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "8ef85e96",
"metadata": {},
"source": [
"## 1269 "
]
},
{
"cell_type": "code",
"execution_count": 20,
"id": "60351e97",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"9"
]
},
"execution_count": 20,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"(2022-1269) % 12"
]
},
{
"cell_type": "markdown",
"id": "59acfeff",
"metadata": {},
"source": [
"https://canchi.pymi.vn/"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "6e8187c9",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "2dfd3676",
"metadata": {},
"source": [
"### complex"
]
},
{
"cell_type": "code",
"execution_count": 21,
"id": "b9228a5e",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"(4+6j)"
]
},
"execution_count": 21,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"1 + 2j + 3 + 4j"
]
},
{
"cell_type": "code",
"execution_count": 22,
"id": "ad1778c4",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"complex"
]
},
"execution_count": 22,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"type(4+6j)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "e1f5d726",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 132,
"id": "14ff1b95",
"metadata": {},
"outputs": [],
"source": [
"import math"
]
},
{
"cell_type": "code",
"execution_count": 135,
"id": "adf947da",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1.4142135623730951"
]
},
"execution_count": 135,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"math.sqrt(2)"
]
},
{
"cell_type": "code",
"execution_count": 133,
"id": "75963388",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"3.141592653589793"
]
},
"execution_count": 133,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"math.pi"
]
},
{
"cell_type": "code",
"execution_count": 134,
"id": "fc0f87e6",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"0.8939966636005579"
]
},
"execution_count": 134,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"math.sin(90)"
]
},
{
"cell_type": "code",
"execution_count": 136,
"id": "e8e32f27",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1.0"
]
},
"execution_count": 136,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"math.sin(math.pi/2)"
]
},
{
"cell_type": "code",
"execution_count": 137,
"id": "bed1758b",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"720"
]
},
"execution_count": 137,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"math.factorial(6)"
]
},
{
"cell_type": "code",
"execution_count": 139,
"id": "0836e18d",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"123"
]
},
"execution_count": 139,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"abs(-123)"
]
},
{
"cell_type": "markdown",
"id": "8c46fe0b",
"metadata": {},
"source": [
"## comparison"
]
},
{
"cell_type": "code",
"execution_count": 23,
"id": "050f9e9b",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 23,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 < 3"
]
},
{
"cell_type": "code",
"execution_count": 24,
"id": "b757faa4",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 24,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 > 3"
]
},
{
"cell_type": "code",
"execution_count": 25,
"id": "54b0fcd5",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"bool"
]
},
"execution_count": 25,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"type(2>3)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "eeada7ae",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "33662807",
"metadata": {},
"source": [
"## chữ T và F viết hoa"
]
},
{
"cell_type": "code",
"execution_count": 26,
"id": "04fdca57",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 26,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"True"
]
},
{
"cell_type": "code",
"execution_count": 27,
"id": "1572077c",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 27,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"False"
]
},
{
"cell_type": "code",
"execution_count": 29,
"id": "0bb072ad",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"bool"
]
},
"execution_count": 29,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"type(True)"
]
},
{
"cell_type": "markdown",
"id": "6ed2401f",
"metadata": {},
"source": [
"## boolean uk /ˈbuːliən/ us\n"
]
},
{
"cell_type": "markdown",
"id": "ac89788d",
"metadata": {},
"source": [
"## clean"
]
},
{
"cell_type": "code",
"execution_count": 30,
"id": "11bcbc42",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 30,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"1 != 1"
]
},
{
"cell_type": "code",
"execution_count": 31,
"id": "68fe4a23",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 31,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"1 == 1"
]
},
{
"cell_type": "markdown",
"id": "a94b7ce5",
"metadata": {},
"source": [
"## các phép tóan với boolean"
]
},
{
"cell_type": "markdown",
"id": "0946d535",
"metadata": {},
"source": [
"## and - và"
]
},
{
"cell_type": "code",
"execution_count": 32,
"id": "14ba53bd",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 32,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"True and True"
]
},
{
"cell_type": "code",
"execution_count": 33,
"id": "86d237b6",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 33,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"True and False"
]
},
{
"cell_type": "code",
"execution_count": 34,
"id": "768a2009",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 34,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"False and True"
]
},
{
"cell_type": "code",
"execution_count": 35,
"id": "232e81d0",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 35,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"False and False"
]
},
{
"cell_type": "markdown",
"id": "a0d69909",
"metadata": {},
"source": [
"## or - hoặc"
]
},
{
"cell_type": "code",
"execution_count": 36,
"id": "c8922fc0",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 36,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"True or True"
]
},
{
"cell_type": "code",
"execution_count": 37,
"id": "2d8b3a32",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 37,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"True or False"
]
},
{
"cell_type": "code",
"execution_count": 38,
"id": "73cc4a91",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 38,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"False or True"
]
},
{
"cell_type": "code",
"execution_count": 39,
"id": "cf7b23bf",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 39,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"False or False"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "5b280cfe",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "b6bf15be",
"metadata": {},
"source": [
"## not"
]
},
{
"cell_type": "code",
"execution_count": 40,
"id": "d6afbcac",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 40,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"not True"
]
},
{
"cell_type": "code",
"execution_count": 41,
"id": "78353163",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 41,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"not False"
]
},
{
"cell_type": "markdown",
"id": "c12a02b6",
"metadata": {},
"source": [
"### don't do this"
]
},
{
"cell_type": "code",
"execution_count": 42,
"id": "1fd6e951",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 42,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"not True == False"
]
},
{
"cell_type": "code",
"execution_count": 43,
"id": "ee66c831",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 43,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"not False == True"
]
},
{
"cell_type": "markdown",
"id": "86437b14",
"metadata": {},
"source": [
"### do this"
]
},
{
"cell_type": "code",
"execution_count": 44,
"id": "18052455",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 44,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"not True is False"
]
},
{
"cell_type": "code",
"execution_count": 45,
"id": "ba2347b0",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 45,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"not False is True"
]
},
{
"cell_type": "markdown",
"id": "38e3364e",
"metadata": {},
"source": [
"## câu hỏi 1"
]
},
{
"cell_type": "code",
"execution_count": 46,
"id": "4367b961",
"metadata": {},
"outputs": [
{
"ename": "ZeroDivisionError",
"evalue": "division by zero",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mZeroDivisionError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m/tmp/ipykernel_63230/2354412189.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;36m1\u001b[0m\u001b[0;34m/\u001b[0m\u001b[0;36m0\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mZeroDivisionError\u001b[0m: division by zero"
]
}
],
"source": [
"1/0"
]
},
{
"cell_type": "code",
"execution_count": 52,
"id": "86be60ec",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 52,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"True or 1/0"
]
},
{
"cell_type": "code",
"execution_count": 53,
"id": "021b1acd",
"metadata": {},
"outputs": [
{
"ename": "ZeroDivisionError",
"evalue": "division by zero",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mZeroDivisionError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m/tmp/ipykernel_63230/3147863620.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;32mTrue\u001b[0m \u001b[0;32mand\u001b[0m \u001b[0;36m1\u001b[0m\u001b[0;34m/\u001b[0m\u001b[0;36m0\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mZeroDivisionError\u001b[0m: division by zero"
]
}
],
"source": [
"True and 1/0"
]
},
{
"cell_type": "code",
"execution_count": 54,
"id": "8df58dea",
"metadata": {},
"outputs": [
{
"ename": "ZeroDivisionError",
"evalue": "division by zero",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mZeroDivisionError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m/tmp/ipykernel_63230/2917809745.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;36m1\u001b[0m\u001b[0;34m/\u001b[0m\u001b[0;36m0\u001b[0m \u001b[0;32mand\u001b[0m \u001b[0;32mTrue\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mZeroDivisionError\u001b[0m: division by zero"
]
}
],
"source": [
"1/0 and True"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "f1f8ad4c",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 55,
"id": "fe0c52ba",
"metadata": {},
"outputs": [
{
"ename": "ZeroDivisionError",
"evalue": "division by zero",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mZeroDivisionError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m/tmp/ipykernel_63230/2638778418.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;36m1\u001b[0m\u001b[0;34m/\u001b[0m\u001b[0;36m0\u001b[0m \u001b[0;32mor\u001b[0m \u001b[0;32mTrue\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mZeroDivisionError\u001b[0m: division by zero"
]
}
],
"source": [
"1/0 or True"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "4d7fa204",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 56,
"id": "802ef4c1",
"metadata": {},
"outputs": [
{
"ename": "ZeroDivisionError",
"evalue": "division by zero",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mZeroDivisionError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m/tmp/ipykernel_63230/812870342.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;32mFalse\u001b[0m \u001b[0;32mor\u001b[0m \u001b[0;36m1\u001b[0m\u001b[0;34m/\u001b[0m\u001b[0;36m0\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mZeroDivisionError\u001b[0m: division by zero"
]
}
],
"source": [
"False or 1/0"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "46c0f1b6",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 57,
"id": "50098ff2",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 57,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"False and 1/0"
]
},
{
"cell_type": "markdown",
"id": "f5b0086f",
"metadata": {},
"source": [
"http://docs.python.org/library/stdtypes.html#boolean-operations-and-or-not"
]
},
{
"cell_type": "markdown",
"id": "73bca46b",
"metadata": {},
"source": [
"## python boolean short-circuit"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "d2e7561e",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"id": "b34b657d",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "eae4f7c9",
"metadata": {},
"source": [
"## trả ngay kết quả khi quyết định"
]
},
{
"cell_type": "markdown",
"id": "1623d4d3",
"metadata": {},
"source": [
"- and dừng lại khi gặp False\n",
"- or dừng lại khi gặp True"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "513a28bf",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "a255d11b",
"metadata": {},
"source": [
"## secret"
]
},
{
"cell_type": "code",
"execution_count": 58,
"id": "5cac5374",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2"
]
},
"execution_count": 58,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"True + True"
]
},
{
"cell_type": "code",
"execution_count": 59,
"id": "60647efc",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"3"
]
},
"execution_count": 59,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"True + True + True"
]
},
{
"cell_type": "code",
"execution_count": 60,
"id": "649814db",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 60,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"True == 1"
]
},
{
"cell_type": "code",
"execution_count": 61,
"id": "a3fbba88",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 61,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"False == 0"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "955529fa",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 62,
"id": "d7f23ff7",
"metadata": {},
"outputs": [],
"source": [
"x = 5"
]
},
{
"cell_type": "code",
"execution_count": 63,
"id": "dfa7d629",
"metadata": {},
"outputs": [],
"source": [
"y = 7"
]
},
{
"cell_type": "code",
"execution_count": 64,
"id": "5a9585a7",
"metadata": {},
"outputs": [],
"source": [
"z = x + y"
]
},
{
"cell_type": "code",
"execution_count": 65,
"id": "bc8a205a",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"12"
]
},
"execution_count": 65,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"z"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "0ec6a258",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "b4be334a",
"metadata": {},
"source": [
"## list - Array in Python"
]
},
{
"cell_type": "code",
"execution_count": 66,
"id": "d477f269",
"metadata": {},
"outputs": [],
"source": [
"xs = [1,2,3]"
]
},
{
"cell_type": "code",
"execution_count": 67,
"id": "58b0914a",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"list"
]
},
"execution_count": 67,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"type(xs)"
]
},
{
"cell_type": "code",
"execution_count": 71,
"id": "220b1108",
"metadata": {},
"outputs": [],
"source": [
"ys = [1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,\n",
" 1,1,1,1,1,1,1,1,1,1,1,1,\n",
" 1,1,1,1,1,1,1,1,1,1,\n",
" 1,1,1,1,1,1,\n",
" 1,1]"
]
},
{
"cell_type": "markdown",
"id": "28ea43bf",
"metadata": {},
"source": [
"## len - length"
]
},
{
"cell_type": "code",
"execution_count": 73,
"id": "4e798b17",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"50"
]
},
"execution_count": 73,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"len(ys)"
]
},
{
"cell_type": "code",
"execution_count": 74,
"id": "eb9cb292",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"0"
]
},
"execution_count": 74,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"len([])"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "472b0e08",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 75,
"id": "c49ef0fc",
"metadata": {},
"outputs": [],
"source": [
"ns = [1,2,3,4,5,6,7,8,9,10]"
]
},
{
"cell_type": "code",
"execution_count": 76,
"id": "2de4a1f5",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"55"
]
},
"execution_count": 76,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"sum(ns)"
]
},
{
"cell_type": "markdown",
"id": "1a3bf3b1",
"metadata": {},
"source": [
"## tổng 7 đến70"
]
},
{
"cell_type": "code",
"execution_count": 79,
"id": "c12f04ae",
"metadata": {},
"outputs": [],
"source": [
"ns = [7,8,9,\n",
" 10,11,12,13,14,15,16,17,18,19,\n",
" 20,21,22,23,24,25,26,27,28,29,\n",
" 30,31,32,33,34,35,36,37,38,39,\n",
" 40,41,42,43,44,45,46,47,48,49,\n",
" 50,51,52,53,54,55,56,57,58,59,\n",
" 60,61,62,63,64,65,66,67,68,69,\n",
" 70]"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "846b12d4",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 80,
"id": "de7bd467",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2464"
]
},
"execution_count": 80,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"sum(ns)"
]
},
{
"cell_type": "code",
"execution_count": 82,
"id": "5b1e14e3",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"123\n"
]
}
],
"source": [
"print(123)"
]
},
{
"cell_type": "code",
"execution_count": 85,
"id": "222d5d36",
"metadata": {},
"outputs": [],
"source": [
"ns = list(range(7, 71))"
]
},
{
"cell_type": "code",
"execution_count": 87,
"id": "a4420935",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2464"
]
},
"execution_count": 87,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"sum(ns)"
]
},
{
"cell_type": "code",
"execution_count": 86,
"id": "479f0457",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70]\n"
]
}
],
"source": [
"print(ns)"
]
},
{
"cell_type": "markdown",
"id": "7dfb3c11",
"metadata": {},
"source": [
"### range [7, 71) - nửa đoạn - không chứa 71"
]
},
{
"cell_type": "code",
"execution_count": 90,
"id": "93dee24c",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"500500"
]
},
"execution_count": 90,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"sum(list(range(1, 1001)))"
]
},
{
"cell_type": "markdown",
"id": "4f0f17d8",
"metadata": {},
"source": [
"## BTVN: tính đến 1 tỷ theo cách trên ?"
]
},
{
"cell_type": "code",
"execution_count": 91,
"id": "f78516ca",
"metadata": {},
"outputs": [],
"source": [
"ns = [21,22,23,24]"
]
},
{
"cell_type": "markdown",
"id": "adec644a",
"metadata": {},
"source": [
"## indexing "
]
},
{
"cell_type": "code",
"execution_count": 98,
"id": "c9bf4613",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"21"
]
},
"execution_count": 98,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[0] # truy cap vao index 0"
]
},
{
"cell_type": "code",
"execution_count": 94,
"id": "fe71360a",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"22"
]
},
"execution_count": 94,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[1]"
]
},
{
"cell_type": "code",
"execution_count": 95,
"id": "b1e10b0b",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"23"
]
},
"execution_count": 95,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[2]"
]
},
{
"cell_type": "code",
"execution_count": 96,
"id": "10990239",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"24"
]
},
"execution_count": 96,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[3]"
]
},
{
"cell_type": "code",
"execution_count": 97,
"id": "9639a3b5",
"metadata": {},
"outputs": [
{
"ename": "IndexError",
"evalue": "list index out of range",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mIndexError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m/tmp/ipykernel_63230/97245302.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mns\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m4\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mIndexError\u001b[0m: list index out of range"
]
}
],
"source": [
"ns[4]"
]
},
{
"cell_type": "code",
"execution_count": 99,
"id": "860b14fa",
"metadata": {},
"outputs": [],
"source": [
"ns = list(range(27, 1023))"
]
},
{
"cell_type": "code",
"execution_count": 100,
"id": "1d45f939",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1022"
]
},
"execution_count": 100,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[len(ns)-1]"
]
},
{
"cell_type": "code",
"execution_count": 101,
"id": "5a0f95ea",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1021"
]
},
"execution_count": 101,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[len(ns)-2]"
]
},
{
"cell_type": "code",
"execution_count": 102,
"id": "9aefe427",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1020"
]
},
"execution_count": 102,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[len(ns)-3]"
]
},
{
"cell_type": "markdown",
"id": "a5fc8b15",
"metadata": {},
"source": [
"## negative index"
]
},
{
"cell_type": "code",
"execution_count": 103,
"id": "c6ced48a",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1022"
]
},
"execution_count": 103,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[-1]"
]
},
{
"cell_type": "code",
"execution_count": 104,
"id": "b50a5952",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1021"
]
},
"execution_count": 104,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[-2]"
]
},
{
"cell_type": "markdown",
"id": "53941c23",
"metadata": {},
"source": [
"## nhiều"
]
},
{
"cell_type": "code",
"execution_count": 106,
"id": "8aef614d",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[27, 28, 29]"
]
},
"execution_count": 106,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"[ns[0], ns[1], ns[2]]"
]
},
{
"cell_type": "markdown",
"id": "18ced494",
"metadata": {},
"source": [
"## slicing - trả về 1 tập con của list "
]
},
{
"cell_type": "code",
"execution_count": 107,
"id": "ffa988cc",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[27, 28, 29]"
]
},
"execution_count": 107,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[0:3]"
]
},
{
"cell_type": "code",
"execution_count": 113,
"id": "dfa5aa33",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[3, 4, 5]"
]
},
"execution_count": 113,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[:3]"
]
},
{
"cell_type": "code",
"execution_count": 108,
"id": "fefe140f",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[27, 28, 29, 30, 31]"
]
},
"execution_count": 108,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[0:5]"
]
},
{
"cell_type": "code",
"execution_count": 114,
"id": "f388a37b",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[3, 4, 5]"
]
},
"execution_count": 114,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[:5]"
]
},
{
"cell_type": "code",
"execution_count": 110,
"id": "8eb1f26f",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[32, 33, 34, 35, 36]"
]
},
"execution_count": 110,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[5:10]"
]
},
{
"cell_type": "code",
"execution_count": 109,
"id": "662e91ca",
"metadata": {
"scrolled": true
},
"outputs": [
{
"data": {
"text/plain": [
"[1020, 1021, 1022]"
]
},
"execution_count": 109,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[len(ns)-3:len(ns)]"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "059b1565",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"id": "0cab6e5e",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 111,
"id": "10c7729a",
"metadata": {},
"outputs": [],
"source": [
"ns = [3,4,5]"
]
},
{
"cell_type": "code",
"execution_count": 117,
"id": "6be1fdb7",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 117,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[len(ns)-2:len(ns)] == ns[-2:]"
]
},
{
"cell_type": "code",
"execution_count": 118,
"id": "095ab9eb",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[5]"
]
},
"execution_count": 118,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[2:]"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "28020c99",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 112,
"id": "1e090f6e",
"metadata": {
"scrolled": true
},
"outputs": [
{
"data": {
"text/plain": [
"[]"
]
},
"execution_count": 112,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ns[7:10]"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "6c2f6615",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 119,
"id": "b773ee83",
"metadata": {},
"outputs": [],
"source": [
"xs = list(range(20, 39))"
]
},
{
"cell_type": "markdown",
"id": "b3aebafc",
"metadata": {},
"source": [
"5 phan tu dau tien"
]
},
{
"cell_type": "code",
"execution_count": 120,
"id": "887f63dc",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[20, 21, 22, 23, 24]"
]
},
"execution_count": 120,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs[:5]"
]
},
{
"cell_type": "markdown",
"id": "85848366",
"metadata": {},
"source": [
"5 phan tu cuoi cung"
]
},
{
"cell_type": "code",
"execution_count": 122,
"id": "e1cb92c0",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[34, 35, 36, 37, 38]"
]
},
"execution_count": 122,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs[-5:]"
]
},
{
"cell_type": "markdown",
"id": "6903ddd4",
"metadata": {},
"source": [
"## [] - empty list"
]
},
{
"cell_type": "code",
"execution_count": 123,
"id": "993226d1",
"metadata": {},
"outputs": [],
"source": [
"xs = list(range(10, 25))"
]
},
{
"cell_type": "code",
"execution_count": 124,
"id": "6954173a",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24]"
]
},
"execution_count": 124,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs"
]
},
{
"cell_type": "markdown",
"id": "9b77d8cf",
"metadata": {},
"source": [
"## SLICE[START:STOP:STEP]"
]
},
{
"cell_type": "code",
"execution_count": 125,
"id": "c5fd8f26",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[10, 13, 16, 19, 22]"
]
},
"execution_count": 125,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs[0:len(xs):3]"
]
},
{
"cell_type": "code",
"execution_count": 126,
"id": "8e2126bf",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[10, 13, 16, 19, 22]"
]
},
"execution_count": 126,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs[::3]"
]
},
{
"cell_type": "markdown",
"id": "b8b106ec",
"metadata": {},
"source": [
"## tạo 1 bản copy (shallow)"
]
},
{
"cell_type": "code",
"execution_count": 127,
"id": "bbf2da34",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24]"
]
},
"execution_count": 127,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs[::]"
]
},
{
"cell_type": "markdown",
"id": "c7a2ea93",
"metadata": {},
"source": [
"## reverse a list"
]
},
{
"cell_type": "code",
"execution_count": 128,
"id": "73bf1b7b",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10]"
]
},
"execution_count": 128,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs[::-1]"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "93076f10",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "e33e174b",
"metadata": {},
"source": [
"## tính tổng các số nhỏ hơn 1000 chia hết cho 3 hoặc 5"
]
},
{
"cell_type": "code",
"execution_count": 129,
"id": "7e7d992b",
"metadata": {},
"outputs": [],
"source": [
"h = list(range(0, 1000))"
]
},
{
"cell_type": "code",
"execution_count": 131,
"id": "05e714da",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"233168"
]
},
"execution_count": 131,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"sum(h[::3]) + sum(h[::5]) - sum(h[::15])"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "eca898b2",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "7464bf5e",
"metadata": {},
"source": [
"## list có thể chứa MỌI THỨ"
]
},
{
"cell_type": "code",
"execution_count": 141,
"id": "f7efb472",
"metadata": {},
"outputs": [],
"source": [
"xs = [2,3,4]"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "5f19f782",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 143,
"id": "7480c902",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[2, 3, 4, 5, 6]"
]
},
"execution_count": 143,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"[2,3,4] + [5,6]"
]
},
{
"cell_type": "code",
"execution_count": 144,
"id": "b5fa622d",
"metadata": {},
"outputs": [
{
"ename": "TypeError",
"evalue": "unsupported operand type(s) for -: 'list' and 'list'",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mTypeError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m/tmp/ipykernel_63230/15974292.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;34m[\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m4\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m-\u001b[0m \u001b[0;34m[\u001b[0m\u001b[0;36m5\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m6\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mTypeError\u001b[0m: unsupported operand type(s) for -: 'list' and 'list'"
]
}
],
"source": [
"[2,3,4] - [5,6]"
]
},
{
"cell_type": "code",
"execution_count": 145,
"id": "ec5a29a0",
"metadata": {},
"outputs": [
{
"ename": "TypeError",
"evalue": "can't multiply sequence by non-int of type 'list'",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mTypeError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m/tmp/ipykernel_63230/2016437751.py\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;34m[\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m4\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m*\u001b[0m \u001b[0;34m[\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;36m4\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mTypeError\u001b[0m: can't multiply sequence by non-int of type 'list'"
]
}
],
"source": [
"[2,3,4] * [3,4]"
]
},
{
"cell_type": "code",
"execution_count": 147,
"id": "5ef4648f",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 147,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 * 3 == 2 + 2 + 2 == 3 + 3"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "4e5a7227",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 148,
"id": "a0109745",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[2, 3, 4, 2, 3, 4]"
]
},
"execution_count": 148,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"[2,3,4] * 2"
]
},
{
"cell_type": "code",
"execution_count": 149,
"id": "17af232d",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]"
]
},
"execution_count": 149,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"[0] * 10"
]
},
{
"cell_type": "code",
"execution_count": 150,
"id": "56515505",
"metadata": {
"scrolled": true
},
"outputs": [
{
"data": {
"text/plain": [
"[2, 3, 4]"
]
},
"execution_count": 150,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "da2208b5",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "668ab3f7",
"metadata": {},
"source": [
"## list methods"
]
},
{
"cell_type": "code",
"execution_count": 151,
"id": "a85dc9a3",
"metadata": {},
"outputs": [],
"source": [
"xs.append(5)"
]
},
{
"cell_type": "code",
"execution_count": 152,
"id": "9289eb6c",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[2, 3, 4, 5]\n"
]
}
],
"source": [
"print(xs)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "2f369fbb",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "bc7b7d7f",
"metadata": {},
"source": [
"### append - thêm vào cuối "
]
},
{
"cell_type": "code",
"execution_count": 153,
"id": "b5746745",
"metadata": {},
"outputs": [],
"source": [
"xs.append([5,6,7])"
]
},
{
"cell_type": "code",
"execution_count": 154,
"id": "b217fb93",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[2, 3, 4, 5, [5, 6, 7]]\n"
]
}
],
"source": [
"print(xs)"
]
},
{
"cell_type": "code",
"execution_count": 155,
"id": "abf4858e",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"5"
]
},
"execution_count": 155,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"len(xs)"
]
},
{
"cell_type": "code",
"execution_count": 156,
"id": "b9ff9a53",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[2, 3, 4, 5, [5, 6, 7]]"
]
},
"execution_count": 156,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs"
]
},
{
"cell_type": "code",
"execution_count": 159,
"id": "1edd94a4",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[5, 6, 7]"
]
},
"execution_count": 159,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs[-1]"
]
},
{
"cell_type": "code",
"execution_count": 160,
"id": "c4c312a0",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"6"
]
},
"execution_count": 160,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs[-1][1]"
]
},
{
"cell_type": "code",
"execution_count": 161,
"id": "d3d5eeaf",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[2, 3, 4, 5, [5, 6, 7]]"
]
},
"execution_count": 161,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs"
]
},
{
"cell_type": "markdown",
"id": "93f91dd6",
"metadata": {},
"source": [
"## insert(index, object)"
]
},
{
"cell_type": "code",
"execution_count": 162,
"id": "e9ef05ba",
"metadata": {},
"outputs": [],
"source": [
"xs.insert(0, 1000)"
]
},
{
"cell_type": "code",
"execution_count": 163,
"id": "0eb893b3",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[1000, 2, 3, 4, 5, [5, 6, 7]]"
]
},
"execution_count": 163,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs"
]
},
{
"cell_type": "code",
"execution_count": 164,
"id": "d874512d",
"metadata": {},
"outputs": [],
"source": [
"xs.insert(4, 8)"
]
},
{
"cell_type": "code",
"execution_count": 165,
"id": "a4b0e9b1",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[1000, 2, 3, 4, 8, 5, [5, 6, 7]]"
]
},
"execution_count": 165,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs"
]
},
{
"cell_type": "code",
"execution_count": 166,
"id": "b354c830",
"metadata": {},
"outputs": [],
"source": [
"xs.insert(len(xs), 999)"
]
},
{
"cell_type": "code",
"execution_count": 167,
"id": "caa2e076",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[1000, 2, 3, 4, 8, 5, [5, 6, 7], 999]"
]
},
"execution_count": 167,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs"
]
},
{
"cell_type": "code",
"execution_count": 168,
"id": "d027f50d",
"metadata": {},
"outputs": [],
"source": [
"xs.insert(1234, 888)"
]
},
{
"cell_type": "code",
"execution_count": 169,
"id": "72eda27b",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[1000, 2, 3, 4, 8, 5, [5, 6, 7], 999, 888]"
]
},
"execution_count": 169,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"xs"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "8d8f058d",
"metadata": {},
"outputs": [],
"source": [
"xs."
]
},
{
"cell_type": "markdown",
"id": "c649aa43",
"metadata": {},
"source": [
"## list co 11 methods"
]
},
{
"cell_type": "code",
"execution_count": 170,
"id": "27f1d8d2",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Help on list object:\n",
"\n",
"class list(object)\n",
" | list(iterable=(), /)\n",
" | \n",
" | Built-in mutable sequence.\n",
" | \n",
" | If no argument is given, the constructor creates a new empty list.\n",
" | The argument must be an iterable if specified.\n",
" | \n",
" | Methods defined here:\n",
" | \n",
" | __add__(self, value, /)\n",
" | Return self+value.\n",
" | \n",
" | __contains__(self, key, /)\n",
" | Return key in self.\n",
" | \n",
" | __delitem__(self, key, /)\n",
" | Delete self[key].\n",
" | \n",
" | __eq__(self, value, /)\n",
" | Return self==value.\n",
" | \n",
" | __ge__(self, value, /)\n",
" | Return self>=value.\n",
" | \n",
" | __getattribute__(self, name, /)\n",
" | Return getattr(self, name).\n",
" | \n",
" | __getitem__(...)\n",
" | x.__getitem__(y) <==> x[y]\n",
" | \n",
" | __gt__(self, value, /)\n",
" | Return self>value.\n",
" | \n",
" | __iadd__(self, value, /)\n",
" | Implement self+=value.\n",
" | \n",
" | __imul__(self, value, /)\n",
" | Implement self*=value.\n",
" | \n",
" | __init__(self, /, *args, **kwargs)\n",
" | Initialize self. See help(type(self)) for accurate signature.\n",
" | \n",
" | __iter__(self, /)\n",
" | Implement iter(self).\n",
" | \n",
" | __le__(self, value, /)\n",
" | Return self<=value.\n",
" | \n",
" | __len__(self, /)\n",
" | Return len(self).\n",
" | \n",
" | __lt__(self, value, /)\n",
" | Return self<value.\n",
" | \n",
" | __mul__(self, value, /)\n",
" | Return self*value.\n",
" | \n",
" | __ne__(self, value, /)\n",
" | Return self!=value.\n",
" | \n",
" | __repr__(self, /)\n",
" | Return repr(self).\n",
" | \n",
" | __reversed__(self, /)\n",
" | Return a reverse iterator over the list.\n",
" | \n",
" | __rmul__(self, value, /)\n",
" | Return value*self.\n",
" | \n",
" | __setitem__(self, key, value, /)\n",
" | Set self[key] to value.\n",
" | \n",
" | __sizeof__(self, /)\n",
" | Return the size of the list in memory, in bytes.\n",
" | \n",
" | append(self, object, /)\n",
" | Append object to the end of the list.\n",
" | \n",
" | clear(self, /)\n",
" | Remove all items from list.\n",
" | \n",
" | copy(self, /)\n",
" | Return a shallow copy of the list.\n",
" | \n",
" | count(self, value, /)\n",
" | Return number of occurrences of value.\n",
" | \n",
" | extend(self, iterable, /)\n",
" | Extend list by appending elements from the iterable.\n",
" | \n",
" | index(self, value, start=0, stop=9223372036854775807, /)\n",
" | Return first index of value.\n",
" | \n",
" | Raises ValueError if the value is not present.\n",
" | \n",
" | insert(self, index, object, /)\n",
" | Insert object before index.\n",
" | \n",
" | pop(self, index=-1, /)\n",
" | Remove and return item at index (default last).\n",
" | \n",
" | Raises IndexError if list is empty or index is out of range.\n",
" | \n",
" | remove(self, value, /)\n",
" | Remove first occurrence of value.\n",
" | \n",
" | Raises ValueError if the value is not present.\n",
" | \n",
" | reverse(self, /)\n",
" | Reverse *IN PLACE*.\n",
" | \n",
" | sort(self, /, *, key=None, reverse=False)\n",
" | Sort the list in ascending order and return None.\n",
" | \n",
" | The sort is in-place (i.e. the list itself is modified) and stable (i.e. the\n",
" | order of two equal elements is maintained).\n",
" | \n",
" | If a key function is given, apply it once to each list item and sort them,\n",
" | ascending or descending, according to their function values.\n",
" | \n",
" | The reverse flag can be set to sort in descending order.\n",
" | \n",
" | ----------------------------------------------------------------------\n",
" | Static methods defined here:\n",
" | \n",
" | __new__(*args, **kwargs) from builtins.type\n",
" | Create and return a new object. See help(type) for accurate signature.\n",
" | \n",
" | ----------------------------------------------------------------------\n",
" | Data and other attributes defined here:\n",
" | \n",
" | __hash__ = None\n",
"\n"
]
}
],
"source": [
"help(xs)"
]
},
{
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"source": []
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{
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"id": "6fa71a99",
"metadata": {},
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"source": []
}
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"metadata": {
"kernelspec": {
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