What is the +k+ called? How exactly does it work? I'm a big confused on
that...
Stephanie Quiles
Sent from my iPhone
> On Jun 2, 2015, at 12:17 PM, Peter Otten <__pete...@web.de> wrote:
>
> Alan Gauld wrote:
>
>>> On 02/06/15 15:15, Peter Otten wrote:
>>>
>>> Not an optimization, but if the user enters neither Y nor N you might ask
>>> again instead of assuming Y.
>>
>> He does. He only breaks if the user enters N
>>
>>>> choice = input('Do you want to play again y/n: ')
>>>> if choice.upper() == 'N':
>>>> print('end of game')
>>>> break
>>>> elif choice.upper() != 'Y':
>>>> print("invalid choice")
>>
>> Y goes round again silently.
>> Anything other than Y or N prints the error then tries again.
>
> ... with the next state. I meant that instead the question "Do you want to
> play again y/n:" should be repeated until there is a valid answer, either y
> or n.
>
> Current behaviour:
>
> $ python capitals.py
> Enter the capital of Mississippi :Jackson
> Correct
> Do you want to play again y/n: x
> invalid choice
> Enter the capital of Oklahoma :
> ...
>
> So "x" is a synonum for "n".
>
> Suggested behaviour:
>
> $ python capitals.py
> Enter the capital of Mississippi :Jackson
> Correct
> Do you want to play again y/n: x
> invalid choice
> Do you want to play again y/n: z
> invalid choice
> Do you want to play again y/n: n
> end of game
> ...
>
>
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