Lab1_BasicsOfPythonAI.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b> <font size = 4>\n",
    "    LAB- 1: Introduction to python programming language.\n",
    "</font> </b>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b> Task 1: Print your name and school name </b>"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b> Task 2: Multiply two numbers </b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Enter value for a: 6\n",
      "Enter value for b: 8\n",
      "a*b =  48\n"
     ]
    }
   ],
   "source": [
    "a = int(input(\"Enter value for a: \"))\n",
    "b = int(input(\"Enter value for b: \"))\n",
    "\n",
    "print(\"a*b = \",a*b)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b> Excercise: Write a Python program that prompts the user for annual salary for two persons, then print them. </b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Person A enter your annual salary: 2000\n",
      "Person B enter your annual salary: 5000\n",
      "Annual salary of person A=  2000\n",
      "Annual salary of person B=  5000\n"
     ]
    }
   ],
   "source": [
    "sal = int(input(\"Person A enter your annual salary: \"))\n",
    "sal1 = int(input(\"Person B enter your annual salary: \"))\n",
    "print(\"Annual salary of person A= \", sal)\n",
    "print(\"Annual salary of person B= \", sal1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "l1 = [2,3,1,5,4]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b> Lists question-1: Write a Python program to sum all the items in a list.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "15\n"
     ]
    }
   ],
   "source": [
    "sum=0\n",
    "for i in l1:\n",
    "    sum=sum+i\n",
    "    \n",
    "print(sum)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b> Lists question-2: Write a Python program to get the largest number from a list.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "5\n"
     ]
    }
   ],
   "source": [
    "max = l1[0]\n",
    "for i in l1:\n",
    "    if(i>max):\n",
    "        max=i\n",
    "print(max)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b> Lists question-3: Write a Python program to get the smallest number from a list.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1\n"
     ]
    }
   ],
   "source": [
    "min = l1[0]\n",
    "for i in l1:\n",
    "    if(i<min):\n",
    "        min=i\n",
    "print(min)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b> Lists question-4: Write a Python program to multiplies all the items in a list.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "120\n"
     ]
    }
   ],
   "source": [
    "mul=1\n",
    "for i in l1:\n",
    "    mul=mul*i\n",
    "    \n",
    "print(mul)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Tuples question-1: Write a Python program to create a tuple.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "mytuple = (\"apple\", \"banana\", \"cherry\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Tuples question-2: Write a Python program to create a tuple with different data types.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [],
   "source": [
    "mytuple2 = (\"apple\", 2, None)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Tuples question-3: Write a Python program to create a tuple with numbers and print one item.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "2\n"
     ]
    }
   ],
   "source": [
    "mytuple3 = (1,2,3,4,5,6)\n",
    "print(mytuple3[1])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Tuples question-4: Write a Python program to add an item in a tuple.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "(1, 2, 3, 4, 5, 6, 7)\n"
     ]
    }
   ],
   "source": [
    "add = (7,)\n",
    "mytuple4 = mytuple3+add\n",
    "print(mytuple4)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Tuples question-5: Write a Python program to convert a tuple to a string.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "exercises\n"
     ]
    }
   ],
   "source": [
    "mytuple5 = ('e', 'x', 'e', 'r', 'c', 'i', 's', 'e', 's')\n",
    "str =  ''.join(mytuple5)\n",
    "print(str)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Sets question-1: Write a Python program to create a set.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{'yellow', 'green', 'blue'}\n"
     ]
    }
   ],
   "source": [
    "s1 = {\"yellow\", \"blue\", \"green\"}\n",
    "print(s1)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Sets question-2: Write a Python program to add member(s) in a set.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{'yellow', 'pink', 'green', 'blue'}\n"
     ]
    }
   ],
   "source": [
    "s1.add(\"pink\")\n",
    "print(s1)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Sets question-3: Write a Python program to remove item(s) from set.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{'yellow', 'green', 'blue'}\n"
     ]
    }
   ],
   "source": [
    "s1.remove(\"pink\")\n",
    "print(s1)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Sets question-4: Write a Python program to remove an item from a set if it is present in the set.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{'yellow', 'green', 'blue'}\n",
      "{'yellow', 'blue'}\n"
     ]
    }
   ],
   "source": [
    "s1.discard(\"orange\")\n",
    "print(s1)\n",
    "s1.discard(\"green\")\n",
    "print(s1)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Dictionary question-2: Write a Python script to add a key to a dictionary.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{1: 'apple', 2: 'orange', 3: 'banana'}\n",
      "{1: 'apple', 2: 'orange', 3: 'banana', 4: 'guava'}\n"
     ]
    }
   ],
   "source": [
    "dict1 = {1:\"apple\", 2:\"orange\", 3:\"banana\"}\n",
    "print(dict1)\n",
    "dict1[4] = \"guava\"\n",
    "print(dict1)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Dictionary question-3: Write a Python script to concatenate following dictionaries to create a new one.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "{1: 'apple', 2: 'orange', 3: 'banana', 4: 'guava', 5: 'kiwi', 6: 'melon'}\n"
     ]
    }
   ],
   "source": [
    "dict2 = {5:\"kiwi\", 6:\"melon\"}\n",
    "dict3 = {}\n",
    "for d in (dict1, dict2): dict3.update(d)\n",
    "print(dict3)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Dictionary question-4: Write a Python script to check whether a given key already exists in a dictionary.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "It exists in dict3\n"
     ]
    }
   ],
   "source": [
    "if 5 in dict3:\n",
    "    print(\"It exists in dict3\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Task: Write a Python function that takes a list and returns a new list with unique elements of the first list.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[1, 2, 3, 4, 5]\n"
     ]
    }
   ],
   "source": [
    "def unique_list(l):\n",
    "  x = []\n",
    "  for a in l:\n",
    "    if a not in x:\n",
    "      x.append(a)\n",
    "  return x\n",
    "\n",
    "print(unique_list([1,2,3,4,4,5,5])) "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Mini projects in python question-1: Make a simple mathematical calculator which can perform addition, subtraction, multiplication and division.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Select operation.\n",
      "1.Add\n",
      "2.Subtract\n",
      "3.Multiply\n",
      "4.Divide\n",
      "Enter choice(1/2/3/4): \n",
      "Invalid Input\n",
      "Enter choice(1/2/3/4): 2\n",
      "Enter first number: 5\n",
      "Enter second number: 3\n",
      "5.0 - 3.0 = 2.0\n"
     ]
    }
   ],
   "source": [
    "def add(x, y):\n",
    "    return x + y\n",
    "\n",
    "def subtract(x, y):\n",
    "    return x - y\n",
    "\n",
    "def multiply(x, y):\n",
    "    return x * y\n",
    "\n",
    "def divide(x, y):\n",
    "    return x / y\n",
    "\n",
    "\n",
    "print(\"Select operation.\")\n",
    "print(\"1.Add\")\n",
    "print(\"2.Subtract\")\n",
    "print(\"3.Multiply\")\n",
    "print(\"4.Divide\")\n",
    "\n",
    "while True:\n",
    "    choice = input(\"Enter choice(1/2/3/4): \")\n",
    "\n",
    "    if choice in ('1', '2', '3', '4'):\n",
    "        num1 = float(input(\"Enter first number: \"))\n",
    "        num2 = float(input(\"Enter second number: \"))\n",
    "\n",
    "        if choice == '1':\n",
    "            print(num1, \"+\", num2, \"=\", add(num1, num2))\n",
    "\n",
    "        elif choice == '2':\n",
    "            print(num1, \"-\", num2, \"=\", subtract(num1, num2))\n",
    "\n",
    "        elif choice == '3':\n",
    "            print(num1, \"*\", num2, \"=\", multiply(num1, num2))\n",
    "\n",
    "        elif choice == '4':\n",
    "            print(num1, \"/\", num2, \"=\", divide(num1, num2))\n",
    "        break\n",
    "    else:\n",
    "        print(\"Invalid Input\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Mini projects in python question-2: Make a rock-paper-scissors game where it is the player vs the computer. The computer’s answer will be randomly generated, while the program will ask the user for their input. This project will better your understanding of while loops and if statements.\n",
    "Hint : from random import randint</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Rock, Paper, Scissors?Rock\n",
      "You lose! Paper covers Rock\n"
     ]
    }
   ],
   "source": [
    "from random import randint\n",
    "\n",
    "t = [\"Rock\", \"Paper\", \"Scissors\"]\n",
    "\n",
    "computer = t[randint(0,2)]\n",
    "\n",
    "player = False\n",
    "\n",
    "while player == False:\n",
    "    player = input(\"Rock, Paper, Scissors?\")\n",
    "    if player == computer:\n",
    "        print(\"Tie!\")\n",
    "    elif player == \"Rock\":\n",
    "        if computer == \"Paper\":\n",
    "            print(\"You lose!\", computer, \"covers\", player)\n",
    "        else:\n",
    "            print(\"You win!\", player, \"smashes\", computer)\n",
    "    elif player == \"Paper\":\n",
    "        if computer == \"Scissors\":\n",
    "            print(\"You lose!\", computer, \"cut\", player)\n",
    "        else:\n",
    "            print(\"You win!\", player, \"covers\", computer)\n",
    "    elif player == \"Scissors\":\n",
    "        if computer == \"Rock\":\n",
    "            print(\"You lose...\", computer, \"smashes\", player)\n",
    "        else:\n",
    "            print(\"You win!\", player, \"cut\", computer)\n",
    "    else:\n",
    "        print(\"That's not a valid play. Check your spelling!\")\n",
    "    player = False\n",
    "    computer = t[randint(0,2)]\n",
    "    break"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Lab task: Write a Python class to find two elements from a list that have sum equal to zero.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "First number= -5 Second number= 5\n",
      "First number= -4 Second number= 4\n",
      "First number= -3 Second number= 3\n",
      "First number= -2 Second number= 2\n",
      "First number= -1 Second number= 1\n"
     ]
    }
   ],
   "source": [
    "def search(a,b):\n",
    "    for d in b:\n",
    "        if a==d:\n",
    "            m=True\n",
    "            break\n",
    "        else:\n",
    "            m=False\n",
    "    return m\n",
    "\n",
    "x=[-5,-4,-3,-2,-1,0,1,2,3,4,5,9]\n",
    "for i in x:\n",
    "    if i<0:\n",
    "        pair=0-int(i)\n",
    "        in2=search(pair,x)\n",
    "        if in2==True:\n",
    "            print(\"First number= %d Second number= %d\"%(i,pair))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<b>Line by line processing: Write a Python program to count the frequency of words in the file.</b>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "metadata": {},
   "outputs": [
    {
     "ename": "FileNotFoundError",
     "evalue": "[Errno 2] No such file or directory: 'Users/hp/Downloads/word.docx'",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mFileNotFoundError\u001b[0m                         Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-41-554368e29567>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m      4\u001b[0m                 \u001b[1;32mreturn\u001b[0m \u001b[0mCounter\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mf\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mread\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0msplit\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      5\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m----> 6\u001b[1;33m \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"Number of words in the file :\"\u001b[0m\u001b[1;33m,\u001b[0m\u001b[0mword_count\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"Users/hp/Downloads/word.docx\"\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[1;32m<ipython-input-41-554368e29567>\u001b[0m in \u001b[0;36mword_count\u001b[1;34m(fname)\u001b[0m\n\u001b[0;32m      1\u001b[0m \u001b[1;32mfrom\u001b[0m \u001b[0mcollections\u001b[0m \u001b[1;32mimport\u001b[0m \u001b[0mCounter\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      2\u001b[0m \u001b[1;32mdef\u001b[0m \u001b[0mword_count\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfname\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m----> 3\u001b[1;33m         \u001b[1;32mwith\u001b[0m \u001b[0mopen\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mfname\u001b[0m\u001b[1;33m)\u001b[0m \u001b[1;32mas\u001b[0m \u001b[0mf\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m      4\u001b[0m                 \u001b[1;32mreturn\u001b[0m \u001b[0mCounter\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mf\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mread\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0msplit\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      5\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n",
      "\u001b[1;31mFileNotFoundError\u001b[0m: [Errno 2] No such file or directory: 'Users/hp/Downloads/word.docx'"
     ]
    }
   ],
   "source": [
    "from collections import Counter\n",
    "def word_count(fname):\n",
    "        with open(fname) as f:\n",
    "                return Counter(f.read().split())\n",
    "\n",
    "print(\"Number of words in the file :\",word_count(\"Users/hp/Downloads/word.docx\"))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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