#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2019/7/12 18:20
# @Author  : ganliang
# @File    : __init__.py.py
# @Desc    : 中间件(下载中间件、爬虫中间件)

# print os.popen('dir').read()
# subprocess.call('dir', shell=True)

# def pow(self,x):
#     print self
#     return x ** x
#
#
# Foo = type("Foo", (object,), {"name": pow})
# f = Foo()
# print f.name(10)
