2 - Operators.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "d4483347",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "13"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "10 + 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "5bf09512",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "7"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "10 - 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "46f64de5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "30"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "10 * 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "ed1e9a77",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3.3333333333333335"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "10 / 3 # floating point division operator"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "4c988598",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "5.0"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "10 / 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "630a7053",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1000"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Exponentiation Operator - **\n",
    "\n",
    "10 ** 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "7cc4eeea",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3.0"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "9 ** 0.5 # square root"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "5f49015e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3.1622776601683795"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "10 ** 0.5"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "dc02c738",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Floored Division Operator - //\n",
    "\n",
    "10 // 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "f3dc66ff",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "5 // 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "471f07a5",
   "metadata": {},
   "outputs": [],
   "source": [
    "# Modulus Operator -> Remainder (positive)\n",
    "# -> a mod b -> remainder\n",
    "# -> -a mod b -> b - (a mod b)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "bf3a5bab",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "10 % 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "id": "128cb9fc",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "10 % 4"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "6b69705d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "-10 % 3\n",
    "\n",
    "# 3 - (10 % 3)\n",
    "# 3 - (1)\n",
    "# 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "92c51009",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "11.666666666666668"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "10 / 6 * 7 # Left to Right"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "id": "ea3b9f52",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "10 - 4 * 2 + 5 - 6 // 2\n",
    "\n",
    "# 10 - 8 + 5 - 6 // 2\n",
    "# 10 - 8 + 5 - 3\n",
    "# 4"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "id": "4beeb9c7",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4.199999999999999"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "1.2 + 1.4 + 1.6\n",
    "# Boolean representation of 2.6"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "id": "abb71a6f",
   "metadata": {
    "scrolled": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4.2"
      ]
     },
     "execution_count": 27,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "1.4 + 1.6 + 1.2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "id": "d6de1b72",
   "metadata": {
    "scrolled": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "4.2\n"
     ]
    }
   ],
   "source": [
    "print(1.4 + 1.6 + 1.2)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "b62f6c81",
   "metadata": {},
   "source": [
    "## Typecasting"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "id": "857779d2",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4"
      ]
     },
     "execution_count": 29,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "int(4.0)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "id": "9fff63d2",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "4.0"
      ]
     },
     "execution_count": 30,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "float(4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "id": "d7a1587c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'4.0'"
      ]
     },
     "execution_count": 31,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "str(4.0)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "id": "74fd537b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 32,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bool(1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "id": "a92a3393",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 33,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bool(34573456789098432.3678765432)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "id": "31767f30",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 34,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bool(-23456)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "id": "2c6a401b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 35,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bool(0)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "id": "f134331c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 36,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bool(\"any non empty string!\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "id": "c0e0da3a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 38,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bool(\"\") # Empty String"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "id": "d1d168f3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 39,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bool(\" \")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 40,
   "id": "d65248e8",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 40,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bool(None)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "id": "f73931b6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 41,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bool()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "id": "3b86f9a9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'\\nBoolean values (TRUTHY AND FALSY) ->\\n\\n    - Numbers\\n        - Any number other than 0 - True\\n        - 0 - False\\n    - Strings\\n        - Any non empty string - True\\n        - Empty String - False\\n    - None - False\\n'"
      ]
     },
     "execution_count": 43,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "'''\n",
    "Boolean values (TRUTHY AND FALSY) ->\n",
    "\n",
    "    - Numbers\n",
    "        - Any number other than 0 - True\n",
    "        - 0 - False\n",
    "    - Strings\n",
    "        - Any non empty string - True\n",
    "        - Empty String - False\n",
    "    - None - False\n",
    "'''"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 44,
   "id": "96836be6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 44,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bool(\"false\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 45,
   "id": "6f1a23ed",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 45,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bool(False)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 47,
   "id": "b4375cef",
   "metadata": {},
   "outputs": [],
   "source": [
    "my_marks = 45\n",
    "passing_marks = 50"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 49,
   "id": "afe16352",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 49,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "my_marks < passing_marks"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 52,
   "id": "bd2de382",
   "metadata": {},
   "outputs": [],
   "source": [
    "# INTERESTING CASE!"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 50,
   "id": "c2971d25",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 50,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "False == 0"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 51,
   "id": "c66ac98b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 51,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "False == \"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 55,
   "id": "1a3f9e52",
   "metadata": {},
   "outputs": [],
   "source": [
    "actual_password = \"tummerihoXYZ\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 54,
   "id": "ce0fd3a2",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'\\nQuestion 1 - \\n1. Take a password as input from the user.\\n2. Return True if correct password is entered and return False if the password is incorrect.\\n'"
      ]
     },
     "execution_count": 54,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "'''\n",
    "Question 1 - \n",
    "1. Take a password as input from the user.\n",
    "2. Return True if correct password is entered and return False if the password is incorrect.\n",
    "'''"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 63,
   "id": "5c0d3342",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Please enter your password - \n"
     ]
    }
   ],
   "source": [
    "current_password = input(\"Please enter your password - \")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 64,
   "id": "50b18f26",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 64,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "current_password == actual_password"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 62,
   "id": "9a33d2c9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 62,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "\"abc\" > \"zyx\" # lexicographical comparison"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 65,
   "id": "f087fa5c",
   "metadata": {},
   "outputs": [],
   "source": [
    "marks = 50"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 70,
   "id": "96049175",
   "metadata": {},
   "outputs": [],
   "source": [
    "marks = marks + 0.5 # x = x + y"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 69,
   "id": "783fa0f3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "50.5"
      ]
     },
     "execution_count": 69,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "marks"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 71,
   "id": "704baaa1",
   "metadata": {},
   "outputs": [],
   "source": [
    "marks = 50"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 76,
   "id": "18e1f4a4",
   "metadata": {},
   "outputs": [],
   "source": [
    "marks += 0.5 # x += y -> x = x + y"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 74,
   "id": "9833c083",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "50.5"
      ]
     },
     "execution_count": 74,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "marks"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 77,
   "id": "6a95787d",
   "metadata": {},
   "outputs": [],
   "source": [
    "random = 10"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 78,
   "id": "cf77b812",
   "metadata": {},
   "outputs": [],
   "source": [
    "random += 5"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 79,
   "id": "7907e7dd",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "15"
      ]
     },
     "execution_count": 79,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "random"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 80,
   "id": "f3675560",
   "metadata": {},
   "outputs": [],
   "source": [
    "random -= 6"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 81,
   "id": "1a435064",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "9"
      ]
     },
     "execution_count": 81,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "random"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 82,
   "id": "df202e49",
   "metadata": {},
   "outputs": [],
   "source": [
    "random *= 4"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 83,
   "id": "9f1ba824",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "36"
      ]
     },
     "execution_count": 83,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "random"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 84,
   "id": "40b0ace6",
   "metadata": {},
   "outputs": [],
   "source": [
    "random /= 6"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 85,
   "id": "c5dae6d1",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "6.0"
      ]
     },
     "execution_count": 85,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "random"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 86,
   "id": "de5eac1b",
   "metadata": {},
   "outputs": [],
   "source": [
    "random **= 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 87,
   "id": "dcb666bd",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "216.0"
      ]
     },
     "execution_count": 87,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "random"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 88,
   "id": "0159be28",
   "metadata": {},
   "outputs": [],
   "source": [
    "random //= 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 89,
   "id": "c7bd92cc",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "72.0"
      ]
     },
     "execution_count": 89,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "random"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 90,
   "id": "e94117b3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3.0"
      ]
     },
     "execution_count": 90,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "10.0 // 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 91,
   "id": "df5dd0d9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 91,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "True and False"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 92,
   "id": "33a55fc1",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 92,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "10 and False"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 93,
   "id": "4758e9ce",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "165\n"
     ]
    }
   ],
   "source": [
    "height = int(input())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 94,
   "id": "4ee0aaa8",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 94,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "height > 150 and height < 180"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 95,
   "id": "dca836a9",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 95,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "not True"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 96,
   "id": "00ad0f67",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 96,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "not False"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "d0c84679",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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