关于TypeError:xxx() missing 1 required positional argument: 'S’问题处理意见
关于调用python模块的方法总结
在调用自己保存的模块.py文件时,导入后就直接进行 文件名.函数进行调用,会直接出现问题Missing 1 required positional argument
class Solution:
def numJewelsInStones(self, J: str, S: str) -> int:
i = 0
for key in J:
i=S.count(key)+i
return i
>>> from Solution import *
>>> S = Solution.numJewelsInStones(A,B)
Traceback (most recent call last):
File "<pyshell#16>", line 1, in <module>
S = Solution.numJewelsInStones(A,B)
TypeError: numJewelsInStones() missing 1 required positional argument: 'S'
正确的做法是
>>> from Solution import *
>>> s = Solution()
>>> m = s.numJewelsInStones(A,B)
>>> m
3
在对类模块进行进行调用时,必须进行实例化,才会调用__init__函数,使用传进的参数进行处理