how to find all files in a directory in python code example

Example 1: how to search for a specific file extension with python

import glob, os
os.chdir("/mydir")
for file in glob.glob("*.txt"):
    print(file)

Example 2: list of files in python

import os
def fn():       # 1.Get file names from directory
    file_list=os.listdir(r"C:\Users")
    print (file_list)

 #2.To rename files
fn()