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hvnsweeting/HN2104_01.ipynb

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HN2104_01.ipynb
{
"cells": [
{
"cell_type": "markdown",
"id": "announced-roberts",
"metadata": {},
"source": [
"# Welcome to Pymi.vn\n",
"## Lesson 1\n",
"\n",
"https://pymi.vn/\n",
"\n",
"- Cài đặt Python 3.8 (hoặc mới hơn)\n",
"- Tải tài liệu về máy để xem offline\n",
"- Tham gia Slack: slack.pymi.vn (tìm slack trong email của bạn) - cài app di động slack"
]
},
{
"cell_type": "markdown",
"id": "ruled-correction",
"metadata": {},
"source": [
"## THỨ 5 HỌC TẠI 30 TRUNG LIỆT"
]
},
{
"cell_type": "markdown",
"id": "foster-laugh",
"metadata": {},
"source": [
"https://gitlab.com/pyfml/prepare"
]
},
{
"cell_type": "markdown",
"id": "round-publication",
"metadata": {},
"source": [
"Học lập trình Python chất lượng số 1 Việt Nam 2021 - đào tạo học viên từ không biết gì thành lập trình viên chuyên nghiệp. Đã đào tạo hơn 1000 lập trình viên ..."
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "racial-raleigh",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "moderate-facility",
"metadata": {},
"source": [
"## PE"
]
},
{
"cell_type": "markdown",
"id": "painted-cancer",
"metadata": {},
"source": [
"https://projecteuler.net/problem=1"
]
},
{
"cell_type": "markdown",
"id": "civil-variation",
"metadata": {},
"source": [
"Multiples of 3 and 5\n",
"[Show HTML problem content] \n",
"Problem 1\n",
"\n",
"If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.\n",
"\n",
"Find the sum of all the multiples of 3 or 5 below 1000.\n"
]
},
{
"cell_type": "code",
"execution_count": 1,
"id": "manual-dispatch",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"233168"
]
},
"execution_count": 1,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"sum([i for i in range(1000) if i % 3 == 0 or i % 5 == 0])"
]
},
{
"cell_type": "markdown",
"id": "covered-rebound",
"metadata": {},
"source": [
"## ra chơi đến 20h40"
]
},
{
"cell_type": "markdown",
"id": "lonely-finding",
"metadata": {},
"source": [
"# Vào lớp"
]
},
{
"cell_type": "markdown",
"id": "american-drove",
"metadata": {},
"source": [
"```python\n",
"$ python3\n",
"Python 3.8.5 (default, Jan 27 2021, 15:41:15) \n",
"[GCC 9.3.0] on linux\n",
"Type \"help\", \"copyright\", \"credits\" or \"license\" for more information.\n",
">>> exit()\n",
"```"
]
},
{
"cell_type": "markdown",
"id": "impressive-python",
"metadata": {},
"source": [
"## `>>>` - prompt"
]
},
{
"cell_type": "markdown",
"id": "concerned-excitement",
"metadata": {},
"source": [
"```python\n",
">>> 2 + 5\n",
"7\n",
"```"
]
},
{
"cell_type": "markdown",
"id": "racial-hundred",
"metadata": {},
"source": [
"## Tính toán"
]
},
{
"cell_type": "markdown",
"id": "western-invasion",
"metadata": {},
"source": [
"## Cộng (`+`) - add "
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "realistic-diesel",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"6"
]
},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"3 + 3"
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "consistent-hybrid",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"61"
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"4 + 5 + 52"
]
},
{
"cell_type": "code",
"execution_count": 4,
"id": "lucky-pledge",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"7"
]
},
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2+2+3"
]
},
{
"cell_type": "code",
"execution_count": 5,
"id": "located-weapon",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"7485298375983275439285798237600583321730531724296795"
]
},
"execution_count": 5,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2345732495742398573298 + 7485298375983275439285798237598237589234789325723497"
]
},
{
"cell_type": "code",
"execution_count": 6,
"id": "utility-sleeve",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"24232"
]
},
"execution_count": 6,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"-2 + 24234"
]
},
{
"cell_type": "markdown",
"id": "fossil-porcelain",
"metadata": {},
"source": [
"## Lớp kết luận: cộng thoải mái"
]
},
{
"cell_type": "markdown",
"id": "human-american",
"metadata": {},
"source": [
"## Trừ `-` : subtract"
]
},
{
"cell_type": "code",
"execution_count": 7,
"id": "golden-dealer",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"-5"
]
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"5 - 10"
]
},
{
"cell_type": "code",
"execution_count": 8,
"id": "sharp-profession",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"15"
]
},
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"5 - -10"
]
},
{
"cell_type": "code",
"execution_count": 9,
"id": "given-ceremony",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"-41234132431241324123431243412341324141324123413241324321421412341234124123413242314132431412341234312421421421"
]
},
"execution_count": 9,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"0-41234132431241324123431243412341324141324123413241324321421412341234124123413242314132431412341234312421421421"
]
},
{
"cell_type": "markdown",
"id": "talented-generic",
"metadata": {},
"source": [
"## Kết luận: trừ thoải mái"
]
},
{
"cell_type": "markdown",
"id": "stone-scotland",
"metadata": {},
"source": [
"## Phép nhân - `*` : multiply"
]
},
{
"cell_type": "code",
"execution_count": 10,
"id": "steady-memorial",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"553847717473392544031230576480610410586619153714573713315698542788909819182599248922404"
]
},
"execution_count": 10,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"132412346213749873298471894789317431298* 4182749821374891278439712983484721987483921732498"
]
},
{
"cell_type": "code",
"execution_count": 11,
"id": "intensive-freight",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999"
]
},
"execution_count": 11,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999"
]
},
{
"cell_type": "code",
"execution_count": 13,
"id": "vertical-connection",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999989999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999900000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001"
]
},
"execution_count": 13,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 * 99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999"
]
},
{
"cell_type": "markdown",
"id": "democratic-accordance",
"metadata": {},
"source": [
"## lớp kết luận: nhân thoải mái"
]
},
{
"cell_type": "markdown",
"id": "executive-chamber",
"metadata": {},
"source": [
"## phép chia: `/` - divise"
]
},
{
"cell_type": "markdown",
"id": "drawn-netscape",
"metadata": {},
"source": [
"## `/` - đọc là gì? - slash"
]
},
{
"cell_type": "markdown",
"id": "distant-lender",
"metadata": {},
"source": [
"\n",
"# `\\` - backslash"
]
},
{
"cell_type": "code",
"execution_count": 14,
"id": "encouraging-chase",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2.0"
]
},
"execution_count": 14,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"4 / 2"
]
},
{
"cell_type": "code",
"execution_count": 15,
"id": "clean-settle",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2"
]
},
"execution_count": 15,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"1 + 1"
]
},
{
"cell_type": "code",
"execution_count": 16,
"id": "auburn-floating",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2.5"
]
},
"execution_count": 16,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"5/2"
]
},
{
"cell_type": "code",
"execution_count": 17,
"id": "brazilian-virtue",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"0.3333333333333333"
]
},
"execution_count": 17,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"1/3"
]
},
{
"cell_type": "markdown",
"id": "determined-complaint",
"metadata": {},
"source": [
"## kiểu dữ liệu (data type)"
]
},
{
"cell_type": "code",
"execution_count": 18,
"id": "adopted-simulation",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"int"
]
},
"execution_count": 18,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"type(2)"
]
},
{
"cell_type": "code",
"execution_count": 19,
"id": "textile-brother",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"float"
]
},
"execution_count": 19,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"type(2.0)"
]
},
{
"cell_type": "markdown",
"id": "equal-measurement",
"metadata": {},
"source": [
"## int - integer: số nguyên"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "precious-boring",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"id": "stunning-doubt",
"metadata": {},
"source": [
"## float: \n",
"- số thực: R"
]
},
{
"cell_type": "markdown",
"id": "center-australian",
"metadata": {},
"source": [
"## số thực là bộ số gồm 2 bộ con:\n",
"### Số hữu tỷ: có thể viết ở dạng tỷ số, phân số\n",
"### Số vô tỷ: không thể viết ở dạng tỷ số, phân số"
]
},
{
"cell_type": "code",
"execution_count": 20,
"id": "verified-laser",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"0.3333333333333333"
]
},
"execution_count": 20,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"1/3"
]
},
{
"cell_type": "code",
"execution_count": 21,
"id": "hazardous-patient",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"0.4"
]
},
"execution_count": 21,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2/5"
]
},
{
"cell_type": "code",
"execution_count": 22,
"id": "duplicate-mistake",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2.0"
]
},
"execution_count": 22,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"10/5"
]
},
{
"cell_type": "markdown",
"id": "nonprofit-story",
"metadata": {},
"source": [
"## số vô tỷ: căn , pi"
]
},
{
"cell_type": "code",
"execution_count": 23,
"id": "rotary-bargain",
"metadata": {},
"outputs": [],
"source": [
"import math"
]
},
{
"cell_type": "code",
"execution_count": 24,
"id": "hearing-proxy",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1.4142135623730951"
]
},
"execution_count": 24,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"math.sqrt(2)"
]
},
{
"cell_type": "code",
"execution_count": 25,
"id": "settled-pressing",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"3.141592653589793"
]
},
"execution_count": 25,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"math.pi"
]
},
{
"cell_type": "code",
"execution_count": 26,
"id": "yellow-debate",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2.0"
]
},
"execution_count": 26,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2.0"
]
},
{
"cell_type": "markdown",
"id": "coated-engineering",
"metadata": {},
"source": [
"## float là giá trị GẦN ĐÚNG"
]
},
{
"cell_type": "code",
"execution_count": 27,
"id": "surgical-festival",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 27,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"1 + 1 == 2"
]
},
{
"cell_type": "code",
"execution_count": 28,
"id": "whole-vienna",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 28,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 + 2 == 4"
]
},
{
"cell_type": "code",
"execution_count": 31,
"id": "compliant-donna",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 31,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"1 + 1 == 3"
]
},
{
"cell_type": "code",
"execution_count": 32,
"id": "pointed-given",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 32,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"0.1 + 0.1 == 0.2"
]
},
{
"cell_type": "code",
"execution_count": 33,
"id": "abstract-flush",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 33,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"0.1 + 0.1 + 0.1 == 0.3"
]
},
{
"cell_type": "code",
"execution_count": 34,
"id": "expired-cable",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"0.30000000000000004"
]
},
"execution_count": 34,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"0.1 + 0.1 + 0.1"
]
},
{
"cell_type": "markdown",
"id": "medical-shore",
"metadata": {},
"source": [
"## không so sánh == kiểu float "
]
},
{
"cell_type": "markdown",
"id": "incorporate-multimedia",
"metadata": {},
"source": [
"https://pymi.vn/blog/why-not-float/"
]
},
{
"cell_type": "code",
"execution_count": 36,
"id": "reserved-milwaukee",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2.0"
]
},
"execution_count": 36,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"4 / 2"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "massive-nicholas",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 37,
"id": "legal-chart",
"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<ipython-input-37-9e1622b385b6>\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": "markdown",
"id": "golden-softball",
"metadata": {},
"source": [
"## khi lấy 1 chia 0 xảy ra exception: ZeroDivisionError"
]
},
{
"cell_type": "code",
"execution_count": 38,
"id": "complex-greece",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"8.205305622772e-36"
]
},
"execution_count": 38,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"1/121872364781236478163248716728346128"
]
},
{
"cell_type": "code",
"execution_count": 40,
"id": "awful-madison",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"100000000.0"
]
},
"execution_count": 40,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"10e7"
]
},
{
"cell_type": "code",
"execution_count": 42,
"id": "tested-single",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"10000000000000000725314363815292351261583744096465219555182101554790400"
]
},
"execution_count": 42,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"int(10e69)"
]
},
{
"cell_type": "markdown",
"id": "opened-compatibility",
"metadata": {},
"source": [
"## mũ : power KHÔNG PHẢI DẤU NÀY (`^`) mà là `**`"
]
},
{
"cell_type": "code",
"execution_count": 43,
"id": "ideal-trust",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"256"
]
},
"execution_count": 43,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 ** 8"
]
},
{
"cell_type": "code",
"execution_count": 44,
"id": "attended-portfolio",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1000000000000000000000000000000000000000000000000000000000000000000000"
]
},
"execution_count": 44,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"10 ** 69"
]
},
{
"cell_type": "markdown",
"id": "passing-store",
"metadata": {},
"source": [
"## 2 to the power of 64"
]
},
{
"cell_type": "code",
"execution_count": 45,
"id": "mental-offense",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"18446744073709551616"
]
},
"execution_count": 45,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 ** 64"
]
},
{
"cell_type": "code",
"execution_count": 46,
"id": "social-chorus",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1.4142135623730951"
]
},
"execution_count": 46,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 ** (1/2)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "twelve-prayer",
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.8.5"
}
},
"nbformat": 4,
"nbformat_minor": 5
}
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