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)
