How to Read and Write Files in Python

In this example we will show how to conduct simple read and write files in Python.

2. Functions

Below list python built-in functions related to the work.

• open(): open a file and create a file object.
• write(): write the contents to file.
• read(): read all the content.
• readline(): read line by line.

Source Code

#! /usr/bin/env python3
# -*- coding: utf-8 -*-

# Create a text file test.txt
with open("test.txt", "wt") as out_file:
    out_file.write("Happy Christmas!")

# Read a file
with open("test.txt", "rt") as in_file:
    text = in_file.read()

# print this text
print(text)

Happy Christmas!