[已解决]小甲鱼python第18讲课后习题的操作题第二题有点疑问

挥舞乾坤

1. def findstr(string, str_son):
   
2.     return len(string.split(str_son)) - 1
   
3. 
   
4. string ='You cannot improve your past, but you can improve your future. Once time is wasted, life is wasted.'
   
5. str_son ='im'
   
6. print(findstr(string, str_son))

复制代码