设置一个variable==True，直接用：
like：
if variable ：就好了；
If we want to let the above function again, then we can just define what we have coded,and call it Recursion
设置一个variable==True，直接用：
like：
if variable ：就好了；
If we want to let the above function again, then we can just define what we have coded,and call it Recursion名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
