[已解决]函数的意义查询

DT_Nelson

1. >>> help(str.isalpha)
   
2. Help on method_descriptor:
   
3. 
   
4. isalpha(self, /)
   
5.     Return True if the string is an alphabetic string, False otherwise.
   
6.    
   
7.     A string is alphabetic if all characters in the string are alphabetic and there
   
8.     is at least one character in the string.
   
9. 
   
10. >>> help(str.isdigit)
    
11. Help on method_descriptor:
    
12. 
    
13. isdigit(self, /)
    
14.     Return True if the string is a digit string, False otherwise.
    
15.    
    
16.     A string is a digit string if all characters in the string are digits and there
    
17.     is at least one character in the string.
    

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