how to check the extention of file using python code example

Example 1: python check file extension

# Checking for single extension (.txt) of file
if file.endswith(".txt"):
  # do something
  
# Checking multiple extensions (.txt, .pdf, .mp3, ...)
if file.endswith((".txt", ".pdf", ".mp3")):
  # do something

Example 2: how to get what type of file a file is in python

import os

# unpacking the tuple
file_name, file_extension = os.path.splitext("/Users/pankaj/abc.txt")

print(file_name)
#returns abc
print(file_extension)
#returns .txt