Demo on Python's os module's walk function

walk.py

#!/usr/bin/python
import os

def walk(dir):
    for (root, dirs, files) in os.walk(dir):
        for file in files:
            path = os.path.join(root, file)
            print(repr(path))

if __name__ == "__main__":
    cwd = os.getcwd()
    walk(cwd)