游山恋,但是每唱到“爽滑慢舔”接“爽滑慢舔”

《真·递归》

Python3代码

def fn(x):

    if x == 1:

        return fn(x)

    else:

        return True

for i in "我醉提酒游寒山 双花腼腆 ... ...".split(): #省略号表示省略歌词

    if i == "双花腼腆":

        fn(1)

    else:

        print(i)

程序输入：

程序执行结果：

我醉提酒游寒山

双花腼腆

---------------------------

报错：

Traceback (most recent call last):

 File "script.py", line 10, in <module>

  fn(1)

 File "script.py", line 3, in fn

  return fn(x)

 File "script.py", line 3, in fn

  return fn(x)

 File "script.py", line 3, in fn

  return fn(x)

 [Previous line repeated 995 more times]

 File "script.py", line 2, in fn

  if x == 1:

RecursionError: maximum recursion depth exceeded in comparison