@command
def list_files(path, verbose=False):
    if verbose:
        for dirpath, dirnames, filenames in os.walk(path):
            print dirpath
            for filename in filenames:
                print filename % '    %s'
    else:
        print '\n'.join(os.listdir(path))
dataset/ETHPy150Open jmohr/compago/examples/real_world_example.py/list_files/swapped operands of `%`