file extensionpython code example

Example 1: split filename and extension python

>>> import os
>>> filename, file_extension = os.path.splitext('/path/to/somefile.ext')
>>> filename
'/path/to/somefile'
>>> file_extension
'.ext'

Example 2: 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