014.Exception handling class 2 (1).ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.5"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a = 5\n",
    "a/10"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "ename": "ZeroDivisionError",
     "evalue": "division by zero",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mZeroDivisionError\u001b[0m                         Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-4-e44be63d6c6b>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0ma\u001b[0m\u001b[1;33m/\u001b[0m\u001b[1;36m0\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m      2\u001b[0m \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"this is my prog\"\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
      "\u001b[1;31mZeroDivisionError\u001b[0m: division by zero"
     ]
    }
   ],
   "source": [
    "a/0\n",
    "print(\"this is my prog\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "kjhkhkh\n"
     ]
    },
    {
     "ename": "ValueError",
     "evalue": "invalid literal for int() with base 10: 'kjhkhkh'",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mValueError\u001b[0m                                Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-14-a1585f436dde>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m      1\u001b[0m \u001b[0ma\u001b[0m \u001b[1;33m=\u001b[0m \u001b[1;36m5\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m----> 2\u001b[1;33m \u001b[0mb\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0minput\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[0m\u001b[0;32m      3\u001b[0m \u001b[0ma\u001b[0m\u001b[1;33m/\u001b[0m\u001b[0mb\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
      "\u001b[1;31mValueError\u001b[0m: invalid literal for int() with base 10: 'kjhkhkh'"
     ]
    }
   ],
   "source": [
    "a = 5\n",
    "b = int(input())\n",
    "a/b"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "ename": "UnsupportedOperation",
     "evalue": "not writable",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mUnsupportedOperation\u001b[0m                      Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-18-d2c18f229175>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m      1\u001b[0m \u001b[0mf\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mopen\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"test.txt\"\u001b[0m \u001b[1;33m,\u001b[0m \u001b[1;34m\"r\"\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m----> 2\u001b[1;33m \u001b[0mf\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mwrite\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"fsadffsdff fsaf dsaf\"\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      3\u001b[0m \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"this is my code \"\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
      "\u001b[1;31mUnsupportedOperation\u001b[0m: not writable"
     ]
    }
   ],
   "source": [
    "f = open(\"test.txt\" , \"r\")\n",
    "f.write(\"fsadffsdff fsaf dsaf\")\n",
    "print(\"this is my code \")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "there was mistake \n",
      "this is my code \n"
     ]
    }
   ],
   "source": [
    "try:\n",
    "    f = open('test.txt' , \" r\")\n",
    "    f.write(\"fdsfds\")\n",
    "except:\n",
    "    print(\"there was mistake \")\n",
    "print(\"this is my code \")\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "ename": "SyntaxError",
     "evalue": "unexpected EOF while parsing (<ipython-input-19-f75f89518141>, line 3)",
     "output_type": "error",
     "traceback": [
      "\u001b[1;36m  File \u001b[1;32m\"<ipython-input-19-f75f89518141>\"\u001b[1;36m, line \u001b[1;32m3\u001b[0m\n\u001b[1;33m    f.write(\"fdsfds\")\u001b[0m\n\u001b[1;37m                     ^\u001b[0m\n\u001b[1;31mSyntaxError\u001b[0m\u001b[1;31m:\u001b[0m unexpected EOF while parsing\n"
     ]
    }
   ],
   "source": [
    "try:\n",
    "    f = open('test.txt' , \" r\")\n",
    "    f.write(\"fdsfds\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "ename": "SyntaxError",
     "evalue": "invalid syntax (<ipython-input-21-c60ceedc4940>, line 4)",
     "output_type": "error",
     "traceback": [
      "\u001b[1;36m  File \u001b[1;32m\"<ipython-input-21-c60ceedc4940>\"\u001b[1;36m, line \u001b[1;32m4\u001b[0m\n\u001b[1;33m    for i range(len(l)) :\u001b[0m\n\u001b[1;37m          ^\u001b[0m\n\u001b[1;31mSyntaxError\u001b[0m\u001b[1;31m:\u001b[0m invalid syntax\n"
     ]
    }
   ],
   "source": [
    "l = [4,5,6,7,8,8,9,0]\n",
    "try :\n",
    "    \n",
    "    for i in range(len(l)) : \n",
    "        print(l)\n",
    "except:\n",
    "    print(\"this is my code\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "4\n",
      "5\n",
      "6\n",
      "7\n",
      "8\n",
      "8\n",
      "9\n",
      "0\n",
      "list index out of range\n",
      "fdsfdsdf dsf sfsd \n"
     ]
    }
   ],
   "source": [
    "l = [4,5,6,7,8,8,9,0]\n",
    "try:\n",
    "    \n",
    "    for i in range(len(l)+1) : \n",
    "        print(l[i])\n",
    "except Exception as e :\n",
    "    print( e)\n",
    "print(\"fdsfdsdf dsf sfsd \")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "4\n",
      "5\n",
      "6\n",
      "7\n",
      "8\n",
      "8\n",
      "9\n",
      "0\n"
     ]
    },
    {
     "ename": "IndexError",
     "evalue": "list index out of range",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mIndexError\u001b[0m                                Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-30-2f23bc429005>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m      2\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      3\u001b[0m \u001b[1;32mfor\u001b[0m \u001b[0mi\u001b[0m \u001b[1;32min\u001b[0m \u001b[0mrange\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mlen\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0ml\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m+\u001b[0m\u001b[1;36m1\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----> 4\u001b[1;33m     \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0ml\u001b[0m\u001b[1;33m[\u001b[0m\u001b[0mi\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;31mIndexError\u001b[0m: list index out of range"
     ]
    }
   ],
   "source": [
    "l = [4,5,6,7,8,8,9,0]\n",
    "\n",
    "for i in range(len(l)+1) : \n",
    "    print(l[i])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [
    {
     "ename": "ZeroDivisionError",
     "evalue": "division by zero",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mZeroDivisionError\u001b[0m                         Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-32-0106664d39e8>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[1;36m5\u001b[0m\u001b[1;33m/\u001b[0m\u001b[1;36m0\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[1;31mZeroDivisionError\u001b[0m: division by zero"
     ]
    }
   ],
   "source": [
    "5/0"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "fdsf\n",
      "invalid literal for int() with base 10: 'fdsf'\n",
      "fsdfdsfsfsf\n"
     ]
    }
   ],
   "source": [
    "try :\n",
    "    a = int(input())\n",
    "    b = int(input())\n",
    "except Exception as e :\n",
    "    print(e)\n",
    "print(\"fsdfdsfsfsf\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "fsafsadf\n"
     ]
    }
   ],
   "source": [
    "print(\"fsafsadf\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "fsafdsafsafs\n"
     ]
    },
    {
     "ename": "ValueError",
     "evalue": "invalid literal for int() with base 10: 'fsafdsafsafs'",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mValueError\u001b[0m                                Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-39-91869f0d3d8c>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0ma\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0minput\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[0m",
      "\u001b[1;31mValueError\u001b[0m: invalid literal for int() with base 10: 'fsafdsafsafs'"
     ]
    }
   ],
   "source": [
    "a = int(input())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 44,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "this is my handler\n",
      "1\n",
      "2\n",
      "3\n",
      "4\n",
      "5\n"
     ]
    }
   ],
   "source": [
    "try :\n",
    "    f = open(\"test1\" , 'r')\n",
    "    f.write(\"this is my code with expceptoi handling\")\n",
    "    print(\"this is my code after write ops\")\n",
    "except : \n",
    "    print(\"this is my handler\")\n",
    "try :\n",
    "    l = [1,2,3,4,5]\n",
    "    for i in l :\n",
    "        print(i)\n",
    "except:\n",
    "    print(\"this is a handler for for loop\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "metadata": {},
   "outputs": [
    {
     "ename": "FileNotFoundError",
     "evalue": "[Errno 2] No such file or directory: 'test1'",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mFileNotFoundError\u001b[0m                         Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-42-b44c6c99617d>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0mf\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mopen\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"test1\"\u001b[0m \u001b[1;33m,\u001b[0m \u001b[1;34m'r'\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      2\u001b[0m \u001b[0mf\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mwrite\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"this is my code with expceptoi handling\"\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      3\u001b[0m \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"this is my code after write ops\"\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      4\u001b[0m \u001b[0ml\u001b[0m \u001b[1;33m=\u001b[0m \u001b[1;33m[\u001b[0m\u001b[1;36m1\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m2\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m3\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m4\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m5\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;32mfor\u001b[0m \u001b[0mi\u001b[0m \u001b[1;32min\u001b[0m \u001b[0ml\u001b[0m \u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
      "\u001b[1;31mFileNotFoundError\u001b[0m: [Errno 2] No such file or directory: 'test1'"
     ]
    }
   ],
   "source": [
    "f = open(\"test1\" , 'r')\n",
    "f.write(\"this is my code with expceptoi handling\")\n",
    "print(\"this is my code after write ops\")\n",
    "l = [1,2,3,4,5]\n",
    "for i in l :\n",
    "    print(i)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 46,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "dsfafsa\n",
      "invalid literal for int() with base 10: 'dsfafsa'\n"
     ]
    }
   ],
   "source": [
    "try :\n",
    "    d= {\"key1\" : \"sudh\" , \"key2\" : [1,2,3,4,5] , \"key3\" : (4,5,6,7,78)}\n",
    "    d[\"key4\"] = int(input())\n",
    "except Exception as sudh :\n",
    "    print(sudh)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 47,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "gsdfg\n"
     ]
    },
    {
     "ename": "ValueError",
     "evalue": "invalid literal for int() with base 10: 'gsdfg'",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mValueError\u001b[0m                                Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-47-cb0017177423>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m      1\u001b[0m \u001b[0md\u001b[0m\u001b[1;33m=\u001b[0m \u001b[1;33m{\u001b[0m\u001b[1;34m\"key1\"\u001b[0m \u001b[1;33m:\u001b[0m \u001b[1;34m\"sudh\"\u001b[0m \u001b[1;33m,\u001b[0m \u001b[1;34m\"key2\"\u001b[0m \u001b[1;33m:\u001b[0m \u001b[1;33m[\u001b[0m\u001b[1;36m1\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m2\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m3\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m4\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m5\u001b[0m\u001b[1;33m]\u001b[0m \u001b[1;33m,\u001b[0m \u001b[1;34m\"key3\"\u001b[0m \u001b[1;33m:\u001b[0m \u001b[1;33m(\u001b[0m\u001b[1;36m4\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m5\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m6\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m7\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;36m78\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----> 2\u001b[1;33m \u001b[0md\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;34m\"key4\"\u001b[0m\u001b[1;33m]\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0minput\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[0m",
      "\u001b[1;31mValueError\u001b[0m: invalid literal for int() with base 10: 'gsdfg'"
     ]
    }
   ],
   "source": [
    "d= {\"key1\" : \"sudh\" , \"key2\" : [1,2,3,4,5] , \"key3\" : (4,5,6,7,78)}\n",
    "d[\"key4\"] = int(input())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 48,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "fdsafsa\n",
      "invalid literal for int() with base 10: 'fdsafsa'\n"
     ]
    }
   ],
   "source": [
    "try :\n",
    "    d= {\"key1\" : \"sudh\" , \"key2\" : [1,2,3,4,5] , \"key3\" : (4,5,6,7,78)}\n",
    "    d[\"key4\"] = int(input())\n",
    "except ValueError as sudh :\n",
    "    print(sudh)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 59,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "3455\n",
      "[Errno 2] No such file or directory: 'test2'\n"
     ]
    }
   ],
   "source": [
    "try :\n",
    "    d= {\"key1\" : \"sudh\" , \"key2\" : [1,2,3,4,5] , \"key3\" : (4,5,6,7,78)}\n",
    "    d[\"key4\"] = int(input())\n",
    "    f = open(\"test2\" , \"r\")\n",
    "\n",
    "except ValueError as sudh :\n",
    "    print(sudh)\n",
    "except FileNotFoundError as e :\n",
    "    print(e)\n",
    "except Exception as ee :\n",
    "    print(\"this is my exceptoin class \" , ee )"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 53,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "454\n",
      "[Errno 2] No such file or directory: 'test2'\n"
     ]
    }
   ],
   "source": [
    "try :\n",
    "    d= {\"key1\" : \"sudh\" , \"key2\" : [1,2,3,4,5] , \"key3\" : (4,5,6,7,78)}\n",
    "    d[\"key4\"] = int(input())\n",
    "    f = open(\"test2\" , \"r\")\n",
    "except Exception as sudh :\n",
    "    print(sudh)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 62,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "this will handle an error  [Errno 2] No such file or directory: 'test5.txt'\n"
     ]
    }
   ],
   "source": [
    "try :\n",
    "    f = open(\"test5.txt\" , \"r\")\n",
    "    f.write(\"this is my code in try \")\n",
    "except Exception as e :\n",
    "    print(\"this will handle an error \" ,e) \n",
    "else : \n",
    "    print(\"this will execute once my try block will be executed succesfully\")\n",
    "    f.close()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 67,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "do this on succesfull eectuion of try block \n",
      "do this for sure\n",
      "handle this \n",
      "it will come to this block for sure \n"
     ]
    }
   ],
   "source": [
    "try :\n",
    "    f = open(\"test43.txt\" , 'w')\n",
    "except Exception as e : \n",
    "    print(\"sdfsdfsfsdfsfds\" , e)\n",
    "else:\n",
    "    print(\"do this on succesfull eectuion of try block \")\n",
    "finally : \n",
    "    print(\"do this for sure\")\n",
    "    try : \n",
    "        \n",
    "        f = open(\"dfsfssdf\" , 'r')\n",
    "    except : \n",
    "         print(\"handle this \")\n",
    "    finally:\n",
    "        print(\"it will come to this block for sure \")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 77,
   "metadata": {},
   "outputs": [],
   "source": [
    "def askint():\n",
    "    try :\n",
    "        a = int(input())\n",
    "        return a \n",
    "    except Exception as e :\n",
    "        print(\"this is my input error \" ,e )"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 78,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "8866\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "8866"
      ]
     },
     "execution_count": 78,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "askint()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 79,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "khjjhhkjhjkkjhkjjk\n",
      "this is my input error  invalid literal for int() with base 10: 'khjjhhkjhjkkjhkjjk'\n"
     ]
    }
   ],
   "source": [
    "askint()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 81,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "enter the interger:gffsdf\n",
      "Nah, you did not enter an integer, please enter an integer. ERROR: invalid literal for int() with base 10: 'gffsdf'\n",
      "enter the interger:#$%^\n",
      "Nah, you did not enter an integer, please enter an integer. ERROR: invalid literal for int() with base 10: '#$%^'\n",
      "enter the interger:fgdg\n",
      "Nah, you did not enter an integer, please enter an integer. ERROR: invalid literal for int() with base 10: 'fgdg'\n",
      "enter the interger:gdfg\n",
      "Nah, you did not enter an integer, please enter an integer. ERROR: invalid literal for int() with base 10: 'gdfg'\n",
      "enter the interger:45345\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "'yes, you have entered an integer'"
      ]
     },
     "execution_count": 81,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "def fun1():\n",
    "    flag=True\n",
    "    while flag:\n",
    "        try:\n",
    "            a=int(input(\"enter the interger:\"))\n",
    "            if type(a)==int:\n",
    "                return \"yes, you have entered an integer\"\n",
    "                flag=False\n",
    "                \n",
    "    \n",
    "        except Exception as e:\n",
    "            print(\"Nah, you did not enter an integer, please enter an integer. ERROR:\",e)\n",
    "        \n",
    "fun1()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": 82,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "dfgfdsg\n",
      "enter the input again invalid literal for int() with base 10: 'dfgfdsg'\n",
      "fsadf\n",
      "enter the input again invalid literal for int() with base 10: 'fsadf'\n",
      "fsdf\n",
      "enter the input again invalid literal for int() with base 10: 'fsdf'\n",
      "sdfsdfs\n",
      "enter the input again invalid literal for int() with base 10: 'sdfsdfs'\n",
      "dfsf\n",
      "enter the input again invalid literal for int() with base 10: 'dfsf'\n",
      "sdf\n",
      "enter the input again invalid literal for int() with base 10: 'sdf'\n",
      "dsf\n",
      "enter the input again invalid literal for int() with base 10: 'dsf'\n",
      "356546\n"
     ]
    }
   ],
   "source": [
    "def integer():\n",
    "        while True:\n",
    "            \"\"\"Function asks for an integer unless provided otherwise\"\"\"\n",
    "            try:\n",
    "                x = int(input())\n",
    "                break\n",
    "            except ValueError as e:\n",
    "                print(\"enter the input again\",e)\n",
    "        \n",
    "integer()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 83,
   "metadata": {},
   "outputs": [],
   "source": [
    "def getint(p):\n",
    "    while True:\n",
    "        try:\n",
    "            value = int(input(p))\n",
    "        except ValueError:\n",
    "            print(\"Sorry, I didn't understand that.\")\n",
    "            continue\n",
    "\n",
    "        if value < 0:\n",
    "            print(\"Sorry, your response must not be negative.\")\n",
    "            continue\n",
    "        else:\n",
    "            break\n",
    "    return value\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 84,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "ffsfdfsdf\n",
      "Sorry, I didn't understand that.\n",
      "ffsfdfdsf\n",
      "Sorry, I didn't understand that.\n",
      "ffsfdfdfd\n",
      "Sorry, I didn't understand that.\n",
      "ffsfddsf\n",
      "Sorry, I didn't understand that.\n",
      "ffsfdsdf\n",
      "Sorry, I didn't understand that.\n",
      "ffsfd56\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "56"
      ]
     },
     "execution_count": 84,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "getint(\"ffsfd\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "def askint():\n",
    "    while True:\n",
    "        try:\n",
    "            num = int(input(\"enter only number\"))\n",
    "            break\n",
    "        except ValueError:\n",
    "            print(\"Please input number only...\")  \n",
    "            continue\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 85,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 6/10"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 86,
   "metadata": {},
   "outputs": [
    {
     "ename": "ZeroDivisionError",
     "evalue": "division by zero",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mZeroDivisionError\u001b[0m                         Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-86-0106664d39e8>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[1;36m5\u001b[0m\u001b[1;33m/\u001b[0m\u001b[1;36m0\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[1;31mZeroDivisionError\u001b[0m: division by zero"
     ]
    }
   ],
   "source": [
    "5/0"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 104,
   "metadata": {},
   "outputs": [],
   "source": [
    "def test(a) :\n",
    "    if a == \"sudh\" :\n",
    "        raise ZeroDivisionError(\"you have entered a negative value dfsa adsfdsasaf afd\" , a)\n",
    "    return a "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 105,
   "metadata": {},
   "outputs": [
    {
     "ename": "ZeroDivisionError",
     "evalue": "('you have entered a negative value dfsa adsfdsasaf afd', 'sudh')",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mZeroDivisionError\u001b[0m                         Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-105-d34bafc9512c>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0mtest\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"sudh\"\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-104-ff6a7f24d8b7>\u001b[0m in \u001b[0;36mtest\u001b[1;34m(a)\u001b[0m\n\u001b[0;32m      1\u001b[0m \u001b[1;32mdef\u001b[0m \u001b[0mtest\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0ma\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      2\u001b[0m     \u001b[1;32mif\u001b[0m \u001b[0ma\u001b[0m \u001b[1;33m==\u001b[0m \u001b[1;34m\"sudh\"\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;32mraise\u001b[0m \u001b[0mZeroDivisionError\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"you have entered a negative value dfsa adsfdsasaf afd\"\u001b[0m \u001b[1;33m,\u001b[0m \u001b[0ma\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[0ma\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
      "\u001b[1;31mZeroDivisionError\u001b[0m: ('you have entered a negative value dfsa adsfdsasaf afd', 'sudh')"
     ]
    }
   ],
   "source": [
    "test(\"sudh\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 90,
   "metadata": {},
   "outputs": [
    {
     "ename": "FileNotFoundError",
     "evalue": "[Errno 2] No such file or directory: 'fsdfdsfs'",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mFileNotFoundError\u001b[0m                         Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-90-4a67e51151af>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[1;32m----> 1\u001b[1;33m \u001b[0mg\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mopen\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m\"fsdfdsfs\"\u001b[0m\u001b[1;33m,\u001b[0m\u001b[1;34m\"r\"\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[1;31mFileNotFoundError\u001b[0m: [Errno 2] No such file or directory: 'fsdfdsfs'"
     ]
    }
   ],
   "source": [
    "g = open(\"fsdfdsfs\",\"r\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 109,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "sudh\n",
      "callinig my raised exceptoin ('you have entered a negative value dfsa adsfdsasaf afd', 'sudh')\n"
     ]
    }
   ],
   "source": [
    "try :\n",
    "    a = input()\n",
    "    test(a)\n",
    "except Exception as e : \n",
    "    print(\"callinig my raised exceptoin\",e)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "Break till 12.10 PM IST "
   ]
  }
 ],
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  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
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   "codemirror_mode": {
    "name": "ipython",
    "version": 3
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   "file_extension": ".py",
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