摘要： http://www.cnblogs.com/known/archive/2010/07/31/1789648.html 阅读全文

摘要： def func(x): print("x is ", x) x = 2print("Changed local x to ", x) x = 50func(x) print("x is still ", x)运行结果是：('x is ', 50)('Changed local x to ', 2)？？？？？？？？？这里的X竟然还是50，这就是Python里所谓的局部变量。。。。。('x is still ', 50) 阅读全文

摘要： http://www.cnblogs.com/liuzhong/archive/2011/08/12/2135718.html 阅读全文