python shutil模块如何操作文件

>>> import shutil, os

>>> os.chdir('C:\\')

>>> shutil.copy('C:\\spam.txt', 'C:\\delicious')

'C:\\delicious\\spam.txt'

>>> shutil.copy('eggs.txt', 'C:\\delicious\\eggs2.txt')

'C:\\delicious\\eggs2.txt'

>>> import shutil

>>> shutil.move('C:\\bacon.txt', 'C:\\eggs')

'C:\\eggs\\bacon.txt'

>>> shutil.move('C:\\bacon.txt', 'C:\\eggs\\new_bacon.txt')

'C:\\eggs\\new_bacon.txt'

import os

    for filename in os.listdir():

        if filename.endswith('.rxt'):

            #os.unlink(filename)

            print(filename)