python get the extension of a file 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: os extension
>>> os.path.splitext('/a/b.c/d')
('/a/b.c/d', '')