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Python Assignment Help on myfile

Python Assignment Help on myfile

  • 14th Apr, 2022
  • 15:43 PM
{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Q no.1) Write a complete Python program that opens a file called 'myfile', reads the entire contents of the file into a string s, determines the number of words in myfile and prints that number on a line.\n",
    "Prints out all words in myfile in alphabetical order, each word on a separate line"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1\n",
      "\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "\"\\n# 2nd solution : converting all text to lowercase and performing sort operation\\n\\nls=[]\\ntry:\\n    fhand=open('myfile.txt','r')  # By default it is in read mode\\n    #print('file opened successfully')\\nexcept:\\n    print('File does not exist')\\ns=fhand.read().lower()\\nprint(len(s.replace('\\n',' ').split(' ')))\\nls=sorted(s.replace('\\n',' ').split(' '))\\nfor i in ls:\\n    print(i)\\n\\n\""
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# 1st solution : sorting the raw file without converting to any case\n",
    "\n",
    "ls=[]\n",
    "\n",
    "try:\n",
    "    fhand=open('myfile.txt','r')  # By default it is in read mode\n",
    "    #print('file opened successfully')\n",
    "except:\n",
    "    print('File does not exist')\n",
    "\n",
    "# read() return full content of file in string\n",
    "s=fhand.read()\n",
    "\n",
    "# '\\n' indicates next line, so i replaced \\n with ' '(space) the i used split function to know no of words in file\n",
    "print(len(s.replace('\\n',' ').split(' ')))\n",
    "\n",
    "# sorted() is used to sort the list of words in ascending, if u want in descending order replace True instead of False (reverse = True)\n",
    "ls=sorted(s.replace('\\n',' ').split(' '),reverse = False) # Bydefault reverse =False\n",
    "\n",
    "# To print all the words\n",
    "for i in ls:\n",
    "    print(i)\n",
    "\n",
    "\n",
    "'''\n",
    "# 2nd solution : converting all text to lowercase and performing sort operation\n",
    "\n",
    "ls=[]\n",
    "try:\n",
    "    fhand=open('myfile.txt','r')  # By default it is in read mode\n",
    "    #print('file opened successfully')\n",
    "except:\n",
    "    print('File does not exist')\n",
    "s=fhand.read().lower()\n",
    "print(len(s.replace('\\n',' ').split(' ')))\n",
    "ls=sorted(s.replace('\\n',' ').split(' '))\n",
    "for i in ls:\n",
    "    print(i)\n",
    "\n",
    "'''"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Q no.2) Write a Python function mult(????, ????) that takes two lists ???? and ???? (with len(????) == len(????))\n",
    "as input, and returns a new list (of the same length) whose elements are the products of the\n",
    "corresponding elements in ???? and ????. Thus if ???? = [1, 2, 3] and ???? = [4, 5, 6] then mult(????, ????) will return\n",
    "the list [4, 10, 18]. If ???? and ???? have different lengths, your function will return None."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "123\n",
      "123\n",
      "[15129]\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "\"\\n# 2nd Solution  \\n\\nimport pandas as pd\\ndef mult(u,v):\\n    if len(u)!=len(v):\\n        return None\\n    else:\\n        return list(pd.Series(u)*pd.Series(v))\\n\\nu = input().split(' ')\\nv = input().split(' ')\\ntry:\\n    u = list(map(int,u))\\n    v = list(map(int,v))\\nexcept:\\n    try:\\n        u = list(map(int,u))\\n    except:\\n        v = list(map(int,v))\\nres = mult(u,v)\\nprint(res)\\n\\n\\n\""
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# Q no.2)solution :\n",
    "\n",
    "def mult(u,v):\n",
    "    # Checking length of two lists, if two list lengths are different then return \"None\"\n",
    "    if len(u)!=len(v):\n",
    "        return None\n",
    "    else:\n",
    "        ## Here try and except are used because when the input is string, So we can't apply int() to string it throws an error.\n",
    "        try:\n",
    "            u1 = list(map(int,u))\n",
    "            v1 = list(map(int,v))\n",
    "            return [u1[i]*v1[i] for i in range(len(u))]\n",
    "        except:\n",
    "            ## Finally we don't know which list contain string, So I used again try and except in except block also... \n",
    "            try:\n",
    "                u1 = list(map(int,u))\n",
    "                return [u1[i]*v[i] for i in range(len(u))]\n",
    "            except:\n",
    "                v1 = list(map(int,v))\n",
    "                return [u[i]*v1[i] for i in range(len(u))]\n",
    "\n",
    "## Reading input od two lists\n",
    "u = input().split(' ')\n",
    "v = input().split(' ')\n",
    "\n",
    "# Calling the function mult()\n",
    "res = mult(u,v)\n",
    "\n",
    "# Print the Final list \n",
    "print(res)\n",
    "\n",
    "\n",
    "'''\n",
    "# 2nd Solution  \n",
    "\n",
    "import pandas as pd\n",
    "def mult(u,v):\n",
    "    if len(u)!=len(v):\n",
    "        return None\n",
    "    else:\n",
    "        return list(pd.Series(u)*pd.Series(v))\n",
    "\n",
    "u = input().split(' ')\n",
    "v = input().split(' ')\n",
    "try:\n",
    "    u = list(map(int,u))\n",
    "    v = list(map(int,v))\n",
    "except:\n",
    "    try:\n",
    "        u = list(map(int,u))\n",
    "    except:\n",
    "        v = list(map(int,v))\n",
    "res = mult(u,v)\n",
    "print(res)\n",
    "\n",
    "\n",
    "'''"
   ]
  }
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