Create a dynamic file and read

• Problem Description

  
  Write a python program to create a file and display the contents (dynamic number of lines)
  
  Hint:
  
  1. Create a File
  2. Take the input as number of lines to be written into the file
  3. Based on the number of lines get the input from the user
  4. Add a new line to the file after each input.
  5. Display the contents of the file written in the output
  
  Input:
  1. Filename
  2,3,4,5 = File contents

• CODING ARENA

• import os

  fname = input()

  count=0

  with open(fname, 'w+') as f:

      a=int(input())

      for i in range(a):

          x=input()

          f.write(x+ os.linesep)

          f.write("\n")

  f.close()

  for line in (open(fname)):

      print(line.rstrip())

      print()

      count+=1

  f.close()

  print("Number of lines:")

  print(count)

• 
  

• Test Case 1

  
  Input (stdin)

  sample.txt
  
  5
  
  This is First Line
  
  This is Second Line
  
  This is Third Line
  
  This is Fourth Line
  
  This is Fifth Line
  
  

  Expected Output

  This is First Line
  
  
  
  
  
  
  
  This is Second Line
  
  
  
  
  
  
  
  This is Third Line
  
  
  
  
  
  
  
  This is Fourth Line
  
  
  
  
  
  
  
  This is Fifth Line
  
  
  
  
  
  
  
  Number of lines:
  
  10

• Test Case 2

  
  Input (stdin)

  sample.txt
  
  3
  
  This is First Line
  
  This is Second Line
  
  This is Third Line
  
  

  Expected Output

  This is First Line
  
  
  
  
  
  
  
  This is Second Line
  
  
  
  
  
  
  
  This is Third Line
  
  
  
  
  
  
  
  Number of lines:
  
  6