Alan Gauld wrote:
> On 31/10/11 20:22, Peter Otten wrote:
>> Alan Gauld wrote:
>>
>>> if choice.lower() not in ('prs'): # NB use a single string
>>
>> That's not a good idea. If a user accidentally enters PR (for example)
>> your version will mistake that for a valid choice.
>
> Good point, although you could test the first character only...
>
> if choice[0].lower() not in ('prs'): # NB use a single string
What Steven says, plus you may run into an IndexError if choice is the empty
string. If you absolutely want to test against a single string you have to
check the length first.
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