4_Conditional Statements.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Conditional Statements\n",
    "1. If Else\n",
    "2. If\n",
    "3. Else\n",
    "4. El If (else if)\n",
    "5. If Else Ternary Expression"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hello\n"
     ]
    }
   ],
   "source": [
    "a = 10\n",
    "\n",
    "if a > 5:\n",
    "    print(\"Hello\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 10\n",
    "\n",
    "if a > 15:\n",
    "    print(\"Hello\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hello\n"
     ]
    }
   ],
   "source": [
    "a = 10\n",
    "\n",
    "if a > 5:\n",
    "    print(\"Hello\")\n",
    "else:\n",
    "    print(\"Bye\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Bye\n"
     ]
    }
   ],
   "source": [
    "a = 10\n",
    "\n",
    "if a > 15:\n",
    "    print(\"Hello\")\n",
    "else:\n",
    "    print(\"Bye\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "ename": "SyntaxError",
     "evalue": "invalid syntax (<ipython-input-5-e9777b03a348>, line 1)",
     "output_type": "error",
     "traceback": [
      "\u001b[0;36m  File \u001b[0;32m\"<ipython-input-5-e9777b03a348>\"\u001b[0;36m, line \u001b[0;32m1\u001b[0m\n\u001b[0;31m    else:\u001b[0m\n\u001b[0m       ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m invalid syntax\n"
     ]
    }
   ],
   "source": [
    "else:\n",
    "    print(\"Hi\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Indore\n"
     ]
    }
   ],
   "source": [
    "a = 5\n",
    "\n",
    "if a == 10:\n",
    "    print(\"Hello\")\n",
    "    print(\"Hi\")\n",
    "elif a < 6:\n",
    "    print(\"Indore\")\n",
    "elif a == 5:\n",
    "    print(\"Goa\")\n",
    "else:\n",
    "    print(\"Incorrect\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Indore\n"
     ]
    }
   ],
   "source": [
    "a = 5\n",
    "\n",
    "if a == 10:\n",
    "    print(\"Hello\")\n",
    "    print(\"Hi\")\n",
    "elif a < 6:\n",
    "    print(\"Indore\")\n",
    "elif a == 5:\n",
    "    print(\"Goa\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "ename": "SyntaxError",
     "evalue": "invalid syntax (<ipython-input-10-40d8b2a80410>, line 3)",
     "output_type": "error",
     "traceback": [
      "\u001b[0;36m  File \u001b[0;32m\"<ipython-input-10-40d8b2a80410>\"\u001b[0;36m, line \u001b[0;32m3\u001b[0m\n\u001b[0;31m    elif a < 6:\u001b[0m\n\u001b[0m       ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m invalid syntax\n"
     ]
    }
   ],
   "source": [
    "a = 5\n",
    "\n",
    "elif a < 6:\n",
    "    print(\"Indore\")\n",
    "elif a == 5:\n",
    "    print(\"Goa\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1\n",
      "3\n"
     ]
    }
   ],
   "source": [
    "a = 5\n",
    "if a == 5:\n",
    "    print(1)\n",
    "if a < 4:\n",
    "    print(2)\n",
    "else:\n",
    "    print(3)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Nested If else"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1\n",
      "3\n",
      "4\n"
     ]
    }
   ],
   "source": [
    "a = 7\n",
    "\n",
    "if a > 4:\n",
    "    print(1)\n",
    "    if a == 5:\n",
    "        print(2)\n",
    "    else:\n",
    "        print(3)\n",
    "        if a == 7:\n",
    "            print(4)\n",
    "else:\n",
    "    print(5)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Enter a number: 1\n",
      "8\n"
     ]
    }
   ],
   "source": [
    "a = int(input(\"Enter a number: \"))\n",
    "\n",
    "if a > 4:\n",
    "    print(1)\n",
    "    if a == 5:\n",
    "        print(2)\n",
    "        if a < 3:\n",
    "            print(3)\n",
    "        elif a > 4:\n",
    "            print(4)\n",
    "    elif a == 7:\n",
    "        print(5)\n",
    "        if a != 7:\n",
    "            print(6)\n",
    "        else:\n",
    "            print(7)\n",
    "else:\n",
    "    if a == 1:\n",
    "        print(8)\n",
    "    else:\n",
    "        print(9)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Ternary Statements"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    " ? :  # ternary operator"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "5\n"
     ]
    }
   ],
   "source": [
    "a = 10\n",
    "\n",
    "b = 5 if a == 10 else 45\n",
    "\n",
    "print(b)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "45\n"
     ]
    }
   ],
   "source": [
    "a = 10\n",
    "\n",
    "b = 5 if a > 11 else 45\n",
    "\n",
    "print(b)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Login\n"
     ]
    }
   ],
   "source": [
    "status = 1\n",
    "\n",
    "msg = \"Login\" if status == 1 else \"Logout\"\n",
    "\n",
    "print(msg)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**WAP to enter a number from user and print its absolute value**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "-1 => 1\n",
    "-3 => 3"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Enter a Number: 0\n",
      "0\n"
     ]
    }
   ],
   "source": [
    "n = int(input(\"Enter a Number: \"))\n",
    "\n",
    "if n < 0:\n",
    "    print( n * (-1) )\n",
    "else:\n",
    "    print(n)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**WAP to enter single digit from user and print its character format**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "5\n",
    "Five"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "n = int(input(\"Enter a number\"))\n",
    "\n",
    "if n == 1:\n",
    "    print(\"One\")\n",
    "elif n == 2:\n",
    "    print(\"Two\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**WAP to enter a character from user and check if it is vowel or consonant**"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "a\n",
    "Vowel"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "n = input()\n",
    "\n",
    "if n == 'a':\n",
    "    print(\"vowel\")\n",
    "elif n == 'e':\n",
    "    print(\"vowel\")\n",
    ".\n",
    ".\n",
    ".\n",
    "else:\n",
    "    print(\"consonant\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Enter a characterk\n",
      "consonant\n"
     ]
    }
   ],
   "source": [
    "n = input(\"Enter a character\")\n",
    "\n",
    "if n == 'a' or n == 'e' or n == 'i' or n == 'o' or n == 'u':\n",
    "    print(\"vowel\")\n",
    "else:\n",
    "    print(\"consonant\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "ename": "SyntaxError",
     "evalue": "invalid syntax (<ipython-input-4-71ae8bac3043>, line 3)",
     "output_type": "error",
     "traceback": [
      "\u001b[0;36m  File \u001b[0;32m\"<ipython-input-4-71ae8bac3043>\"\u001b[0;36m, line \u001b[0;32m3\u001b[0m\n\u001b[0;31m    if n == 'a' || n == 'e' || n == 'i' || n == 'o' || n == 'u':\u001b[0m\n\u001b[0m                 ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m invalid syntax\n"
     ]
    }
   ],
   "source": [
    "n = input(\"Enter a character\")\n",
    "\n",
    "if n == 'a' | n == 'e' | n == 'i' | n == 'o' | n == 'u':\n",
    "    print(\"vowel\")\n",
    "else:\n",
    "    print(\"consonant\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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