how to get the extension of a file in python 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 get file extension from path

import os.path
extension = os.path.splitext(filename)[1]

Example 3: Python file extension

filename = input("Input the Filename: ")
f_extns = filename.split(".")
print ("The extension of the file is : " + repr(f_extns[-1]))