python import file from upper directory code example

Example 1: python get file extension from path

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

Example 2: traverse files in directory python

# python 3
import os

for dirpath, dirnames, filenames in os.walk(dir_path):
    print(dirpath)
    print(dirnames)
    print(filenames)
    
# python 2
import os.path

def print_it(x, dir_name, files):
    print(dir_name)
    print(files)

os.path.walk(your_dir, print_it, 0)