import os
def getsubs(dir):
    
    dirs = []
    files = []
    for dirname, dirnames, filenames in os.walk(dir):
        dirs.append(dirname)
        for subdirname in dirnames:
            dirs.append(os.path.join(dirname, subdirname))
        for filename in filenames:
            files.append(os.path.join(dirname, filename))
    return dirs, files

dirs, files = getsubs('.')