>
> (a) An error-prone "feature" is returning -1 if a substring is not found
> by "find", since -1 currently refers to the last item. An example:
>
> >>> s = 'qwertyuiop'
> >>> s[s.find('r')]
> 'r'
> >>> s[s.find('p')]
> 'p'
> >>> s[s.find('a')]
> 'p'
> >>>
>
> If "find" is unsuccessful, an error message is the only clean option.
> Moreover, using index -1 for the last item is a bad choice: it should be
> len(s) - 1 (no laziness!).
>
I'm not sure if this answers your objection but the note in the
documentation (https://docs.python.org/3/library/stdtypes.html#str.find)
says:
The find() method should be used only if you need to know the position of
sub.
I think the use case above is a little bit different.
--
https://mail.python.org/mailman/listinfo/python-list
