File Handling in Python: Create, Open, Append, Read, Write Operations

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File Handling in Python
File Handling in Python

File Handling in Python: Create, Open, Append, Read, Write Operations

File Handling in Python is a very basic concept, although some peoples might know File Handling operations like to create, read and write files, and other File Handling in Python.

Python is an interpreted, high-level, general-purpose programming language. Created by Guido van Rossum and first released in 1991, Python’s design philosophy emphasizes code readability with its notable use of significant whitespace

File handling is an important part of any web application. Python has several functions for creating, reading, updating, and deleting files.

File Handling: To Create a Text File

file= open("cybertecz.txt","w+")
for i in range(10):
     file.write("This is line %d\r\n" % (i+1))
	file.close() 

File Handling: To Create a file using write()

file = open('cybertecz.txt','w') 
file.write("This is the write command") 
file.write("It allows us to write in a particular file") 
file.close() 

File Handling: To use open() function

file = open('cybertecz.txt', 'r') 
for each in file: 
    print (each) 

File Handling: To Append Data

file = open('cybertecz.txt','a') 
file.write("This will add this line") 
file.close() 
See the source image

File Handling: To Read a File

file=open("cybertecz.txt", "r")
	if file.mode == 'r':
	contents =file.read()

File Handling: To Read a File line by line

File Handling in Python allows you to read your .txt file line by line if your data is too big to read.

file=open("cybertecz.txt", "r")
    if file.mode == 'r':
	contents =file.read()
f1=file.readlines()
for x in f1:
    print(x)

File Handling: To delete a File

import os
os.remove("demofile.txt")

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