On 03/04/18 01:19, Steven D'Aprano wrote:
> On Tue, Apr 03, 2018 at 01:00:59AM +0100, Alan Gauld via Tutor wrote:
>
>> You need to use 'in' instead. That will check whether
>> or not Grade is *one* of the values in the tuple.
>>
>> if Grade not in 'A','B','C','D','E','F':
> Actually, that returns a tuple consisting of a flag plus five more
> strings:
>
> py> 'A' in 'A','B','C', 'D', 'E', 'F'
> (True, 'B','C', 'D', 'E', 'F')
>
> We need to put round brackets (parentheses) around the scores:
>
> if Grade not in ('A','B','C','D','E','F'):
Oops, yes, a cut n' paste error, I forgot to add the parens.
mea culpa!
--
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/
http://www.amazon.com/author/alan_gauld
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