# How to find all files in a directory with specific extension using Python

Whenever we need to check if file with specific extension exists in a directory or get list of files with specific extension from a directory, it can be done using python. Here is simple program for doing the same.

There are three ways to do this using python

1. os.walk
2. os.listdir
3. glob.glob

All three methods are demonstrated in below program

Output of the program

*** Program Started ***
List of Files using os.walk: ['file3.txt', 'list_to_file_in_directory.txt', 'test.txt']
List of Files using listdir: ['file3.txt', 'list_to_file_in_directory.txt', 'test.txt']
List of Files using glob : ['file3.txt', 'list_to_file_in_directory.txt', 'test.txt']
*** Program Completed ***

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