python学习笔记之012.py

#!/usr/bin/env python
# coding=utf-8
# Created Time:    2017-08-08 16:03:15
# Modified Time:   2017-08-08 16:05:52


def func():
    global x


    print 'x is', x
    x = 2
    print 'Changed local x to', x


x = 50
func()
print 'Value of x is', x