1 #!/usr/bin/env python  2 #encoding: utf-8 3  4 def func(arg1,arg2,stop): 5     if arg1 == 0: 6         print (arg1,arg2) 7     arg3 = arg1 + arg2 8     print (arg3) 9     if arg3 < stop:10         func(arg2,arg3,stop)11 12 func (0,1,100000000000)13 14 '''15 def func(arg1,arg2,stop):16     if arg1 == 0:17         print(arg1)18         print(arg2)19 20     arg3 = arg1 + arg221     print (arg3)22     func(arg2, arg3, stop)23 func (0,1,30)24 '''

 递归的实现条件 1:函数内自己调用自己，2：有明确的退出条件，要不会死循环，报错