小编rtw*_*lve的帖子

7.3并且想知道为什么在下面的例子中字符串"racecar"被视为int类型.在此先感谢您的帮助

>>> s = "racecar"

>>> for i in len(s):

    print(s[i]) 

Traceback (most recent call last):

  File "<pyshell#9>", line 1, in <module>

    for i in len(s):

TypeError: 'int' object is not iterable