python: 删除当前目录下的所有.pyc、.py~文件

import os

print os.listdir('.')
del_paths = [name for name in os.listdir('.') if name.endswith('.pyc') or name.endswith('.py~')]
for del_path in del_paths:
    os.remove(del_path)
print os.listdir('.')

['1 (copy).py~', '.idea', 'main.py', '1.py~', '2 (copy).pyc', '2.pyc', 'folder']
['.idea', 'main.py', 'folder']