Question

Remove all the lines that contain the character a in a file and write it to another file in Python.​

Answer 1

Answer:

infile = file('./oldfile.txt')  

newopen = open('./newfile.txt', 'w')  

for line in infile :  

if 'a' in line:  

line = line.replace('.' , '')  

else:  

newopen.write(line)  

file.close()

Answer 2

myfile = open("abc1.txt", "r")

newfile = open("abc2.txt", "w")

line = ""

while line:

   line = myfile.readline()

   if 'a' not in line:

       newfile.write(line)

myfile.close()

newfile.close()

print("Newly created file contains")

print("------------")

newfile = open("abc2.txt","r")

line = ""

while line:

   line = newfile.readline()

   print(line)

newfile.close()

Explanation:

A file is a few data or facts which remains withinside the PC garage devices.

One can already recognize approximately distinctive forms of document , like their track documents, video documents, textual content documents.

Python offers one smooth approach to control those documents. G

Generally we divide documents into categories like textual content document and binary document.