Skip to content

Instantly share code, notes, and snippets.

@ischurov
Created January 14, 2020 16:49
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save ischurov/65ca76fd47c32f4f2520060149a97574 to your computer and use it in GitHub Desktop.
Save ischurov/65ca76fd47c32f4f2520060149a97574 to your computer and use it in GitHub Desktop.
Lecture 2.ipynb
Display the source blob
Display the rendered blob
Raw
{
"cells": [
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "name = input(\"Enter your name: \")\nprint(\"Your name is\", name)",
"execution_count": 20,
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Enter your name: 123\nYour name is 123\n"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "name",
"execution_count": 16,
"outputs": [
{
"data": {
"text/plain": "'2'"
},
"execution_count": 16,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "x = input(\"Enter some number: \")\nprint(x * 2)",
"execution_count": 6,
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Enter some number: 12\n1212\n"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "x",
"execution_count": 7,
"outputs": [
{
"data": {
"text/plain": "'12'"
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "x * 2",
"execution_count": 8,
"outputs": [
{
"data": {
"text/plain": "'1212'"
},
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "x + x",
"execution_count": 9,
"outputs": [
{
"data": {
"text/plain": "'1212'"
},
"execution_count": 9,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "s = input(\"Enter some number: \")\nx = int(s)\nprint(x * 2)",
"execution_count": 10,
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Enter some number: 12\n24\n"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "x = input(\"Enter some number: \")\nx = int(x)\nprint(x * 2)",
"execution_count": 11,
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Enter some number: 12\n24\n"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "x = int(input(\"Enter some number: \"))\nprint(x * 2)",
"execution_count": 13,
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Enter some number: hello\n"
},
{
"ename": "ValueError",
"evalue": "invalid literal for int() with base 10: 'hello'",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mValueError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-13-88ebc9178ae2>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mx\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0minput\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"Enter some number: \"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 2\u001b[0m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mx\u001b[0m \u001b[0;34m*\u001b[0m \u001b[0;36m2\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
"\u001b[0;31mValueError\u001b[0m: invalid literal for int() with base 10: 'hello'"
]
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "5 ** 2",
"execution_count": 21,
"outputs": [
{
"data": {
"text/plain": "25"
},
"execution_count": 21,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "25 ** (0.5)",
"execution_count": 22,
"outputs": [
{
"data": {
"text/plain": "5.0"
},
"execution_count": 22,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "sqrt(25)",
"execution_count": 23,
"outputs": [
{
"ename": "NameError",
"evalue": "name 'sqrt' is not defined",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mNameError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-23-1bf613b64533>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0msqrt\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;36m25\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mNameError\u001b[0m: name 'sqrt' is not defined"
]
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "import math",
"execution_count": 24,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "math.sqrt(25)",
"execution_count": 25,
"outputs": [
{
"data": {
"text/plain": "5.0"
},
"execution_count": 25,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "math.log10(100)",
"execution_count": 26,
"outputs": [
{
"data": {
"text/plain": "2.0"
},
"execution_count": 26,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "math.sin(0)",
"execution_count": 27,
"outputs": [
{
"data": {
"text/plain": "0.0"
},
"execution_count": 27,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "math.sin(2 * math.pi)",
"execution_count": 28,
"outputs": [
{
"data": {
"text/plain": "-2.4492935982947064e-16"
},
"execution_count": 28,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "import math as m",
"execution_count": 29,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "m.sqrt(25)",
"execution_count": 30,
"outputs": [
{
"data": {
"text/plain": "5.0"
},
"execution_count": 30,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "from math import sqrt, sin, pi",
"execution_count": 31,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "sqrt(sin(pi))",
"execution_count": 32,
"outputs": [
{
"data": {
"text/plain": "1.1066376096750703e-08"
},
"execution_count": 32,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "cos(pi)",
"execution_count": 33,
"outputs": [
{
"ename": "NameError",
"evalue": "name 'cos' is not defined",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mNameError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-33-a971a9dfc2c9>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mcos\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mpi\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mNameError\u001b[0m: name 'cos' is not defined"
]
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "# DON'T\n# from math import *",
"execution_count": 34,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "from cmath import sqrt",
"execution_count": 36,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "sqrt(-1)",
"execution_count": 37,
"outputs": [
{
"data": {
"text/plain": "1j"
},
"execution_count": 37,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "x = sin(pi)",
"execution_count": 38,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "x",
"execution_count": 39,
"outputs": [
{
"data": {
"text/plain": "1.2246467991473532e-16"
},
"execution_count": 39,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "x = print(\"Hello\")",
"execution_count": 41,
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Hello\n"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "x",
"execution_count": 42,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "# python.math-hse.info\n# http://pythontutor.com\n# http://pythontutor.ru",
"execution_count": null,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list = [0, 10, 20, 30, 40, 50, 100]",
"execution_count": 43,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list",
"execution_count": 44,
"outputs": [
{
"data": {
"text/plain": "[0, 10, 20, 30, 40, 50, 100]"
},
"execution_count": 44,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[1]",
"execution_count": 45,
"outputs": [
{
"data": {
"text/plain": "10"
},
"execution_count": 45,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[0]",
"execution_count": 46,
"outputs": [
{
"data": {
"text/plain": "0"
},
"execution_count": 46,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "len(some_list)",
"execution_count": 47,
"outputs": [
{
"data": {
"text/plain": "7"
},
"execution_count": 47,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[-1]",
"execution_count": 48,
"outputs": [
{
"data": {
"text/plain": "100"
},
"execution_count": 48,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[8]",
"execution_count": 49,
"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<ipython-input-49-d785bad6cd2c>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0msome_list\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m8\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"
]
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list",
"execution_count": 51,
"outputs": [
{
"data": {
"text/plain": "[0, 10, 20, 30, 40, 50, 100]"
},
"execution_count": 51,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[-2]",
"execution_count": 50,
"outputs": [
{
"data": {
"text/plain": "50"
},
"execution_count": 50,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[0] = 123",
"execution_count": 52,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list",
"execution_count": 53,
"outputs": [
{
"data": {
"text/plain": "[123, 10, 20, 30, 40, 50, 100]"
},
"execution_count": 53,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[7] = 1000",
"execution_count": 54,
"outputs": [
{
"ename": "IndexError",
"evalue": "list assignment 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<ipython-input-54-8c8c22ba432d>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0msome_list\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m7\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;36m1000\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mIndexError\u001b[0m: list assignment index out of range"
]
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list.append(1000)",
"execution_count": 55,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list",
"execution_count": 56,
"outputs": [
{
"data": {
"text/plain": "[123, 10, 20, 30, 40, 50, 100, 1000]"
},
"execution_count": 56,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[2:5]",
"execution_count": 58,
"outputs": [
{
"data": {
"text/plain": "[20, 30, 40]"
},
"execution_count": 58,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[0:3]",
"execution_count": 60,
"outputs": [
{
"data": {
"text/plain": "[123, 10, 20]"
},
"execution_count": 60,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[:3]",
"execution_count": 61,
"outputs": [
{
"data": {
"text/plain": "[123, 10, 20]"
},
"execution_count": 61,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[3:]",
"execution_count": 62,
"outputs": [
{
"data": {
"text/plain": "[30, 40, 50, 100, 1000]"
},
"execution_count": 62,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[6]",
"execution_count": 63,
"outputs": [
{
"data": {
"text/plain": "100"
},
"execution_count": 63,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[-1]",
"execution_count": 64,
"outputs": [
{
"data": {
"text/plain": "1000"
},
"execution_count": 64,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[:-1]",
"execution_count": 65,
"outputs": [
{
"data": {
"text/plain": "[123, 10, 20, 30, 40, 50, 100]"
},
"execution_count": 65,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list",
"execution_count": 66,
"outputs": [
{
"data": {
"text/plain": "[123, 10, 20, 30, 40, 50, 100, 1000]"
},
"execution_count": 66,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[::2]",
"execution_count": 67,
"outputs": [
{
"data": {
"text/plain": "[123, 20, 40, 100]"
},
"execution_count": 67,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[1:4:2]",
"execution_count": 75,
"outputs": [
{
"data": {
"text/plain": "[20, 30]"
},
"execution_count": 75,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "a = 5\nb = 3\na, b = b, a",
"execution_count": 69,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "a",
"execution_count": 70,
"outputs": [
{
"data": {
"text/plain": "3"
},
"execution_count": 70,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "b",
"execution_count": 71,
"outputs": [
{
"data": {
"text/plain": "5"
},
"execution_count": 71,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list[1], some_list[2] = some_list[2], some_list[1]",
"execution_count": 72,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "some_list",
"execution_count": 73,
"outputs": [
{
"data": {
"text/plain": "[123, 20, 10, 30, 40, 50, 100, 1000]"
},
"execution_count": 73,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "first_list = [1, 2, 10]\nsecond_list = [4, 3, 1]",
"execution_count": 76,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "first_list + second_list",
"execution_count": 77,
"outputs": [
{
"data": {
"text/plain": "[1, 2, 10, 4, 3, 1]"
},
"execution_count": 77,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "words = [\"Hello\", \"World\"]",
"execution_count": 78,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "words",
"execution_count": 79,
"outputs": [
{
"data": {
"text/plain": "['Hello', 'World']"
},
"execution_count": 79,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "words[0]",
"execution_count": 80,
"outputs": [
{
"data": {
"text/plain": "'Hello'"
},
"execution_count": 80,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "strange_list = [1, 5, \"Hello\", 2, \"This\"]",
"execution_count": 81,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "strange_list[0]",
"execution_count": 82,
"outputs": [
{
"data": {
"text/plain": "1"
},
"execution_count": 82,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "strange_list[2]",
"execution_count": 83,
"outputs": [
{
"data": {
"text/plain": "'Hello'"
},
"execution_count": 83,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "s = \"Hello, World! \\n This \\t is a test.\"",
"execution_count": 89,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "print(s)",
"execution_count": 90,
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Hello, World! \n This \t is a test.\n"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "words = s.split()",
"execution_count": 91,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "words",
"execution_count": 92,
"outputs": [
{
"data": {
"text/plain": "['Hello,', 'World!', 'This', 'is', 'a', 'test.']"
},
"execution_count": 92,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "len(words)",
"execution_count": 93,
"outputs": [
{
"data": {
"text/plain": "6"
},
"execution_count": 93,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "words[1]",
"execution_count": 94,
"outputs": [
{
"data": {
"text/plain": "'World!'"
},
"execution_count": 94,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "s",
"execution_count": 98,
"outputs": [
{
"data": {
"text/plain": "'Hello, World! \\n This \\t is a test.'"
},
"execution_count": 98,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "s.split(\"!\")",
"execution_count": 97,
"outputs": [
{
"data": {
"text/plain": "['Hello, World', ' \\n This \\t is a test.']"
},
"execution_count": 97,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "s.split(\" \")",
"execution_count": 99,
"outputs": [
{
"data": {
"text/plain": "['Hello, World!', '\\n This \\t', 'is a test.']"
},
"execution_count": 99,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "words = [\"Hello\", \"world\", \"Good\", \"day\"]",
"execution_count": 100,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "\" \".join(words)",
"execution_count": 101,
"outputs": [
{
"data": {
"text/plain": "'Hello world Good day'"
},
"execution_count": 101,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "s = \"---\".join(words)",
"execution_count": 103,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "s",
"execution_count": 104,
"outputs": [
{
"data": {
"text/plain": "'Hello---world---Good---day'"
},
"execution_count": 104,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "s.split(\" \")",
"execution_count": 105,
"outputs": [
{
"data": {
"text/plain": "['Hello---world---Good---day']"
},
"execution_count": 105,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "\"1 2 3 4 5\".split(\" \")",
"execution_count": 107,
"outputs": [
{
"data": {
"text/plain": "['1 2', '3', '', '4', '', ' 5']"
},
"execution_count": 107,
"metadata": {},
"output_type": "execute_result"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "s = \"Hello\"\nw = \"World\"\nd = 123",
"execution_count": 110,
"outputs": []
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "print(s, w, d)",
"execution_count": 111,
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Hello World 123\n"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "print(s, w, d, sep=\"----\")",
"execution_count": 112,
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Hello----World----123\n"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "print(s, w, d, sep=\"\")",
"execution_count": 113,
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "HelloWorld123\n"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "print(\"Hello\", \"This\", end=\"---\", sep=\"!!\")\nprint(\"World\")",
"execution_count": 119,
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Hello!!This---World\n"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "print(\"Hello\", \"This\", end=\"-\", sep=\" \")\nprint(\"World\")",
"execution_count": 122,
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": "Hello This-World\n"
}
]
},
{
"metadata": {
"trusted": true
},
"cell_type": "code",
"source": "",
"execution_count": null,
"outputs": []
}
],
"metadata": {
"kernelspec": {
"name": "python3",
"display_name": "Python 3",
"language": "python"
},
"language_info": {
"name": "python",
"version": "3.7.2",
"mimetype": "text/x-python",
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"pygments_lexer": "ipython3",
"nbconvert_exporter": "python",
"file_extension": ".py"
},
"gist": {
"id": "",
"data": {
"description": "Lecture 2.ipynb",
"public": false
}
}
},
"nbformat": 4,
"nbformat_minor": 2
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment