r...@zedat.fu-berlin.de (Stefan Ram) writes:
> Meredith Montgomery <mmontgom...@levado.to> writes:
> ...
>>def f(x):
>> return x + 1
> ...
>>>>> print("hello")
>
> To me, what would make more sense would be:
>
> Teacher:
>
> |>>> def r():
> |... return 7
> |...
> |>>> def p():
> |... print( 7 )
> |...
> |>>> r()
> |7
> |>>> p()
> |7
>
> Pupil:
>
> That was a very instructive example, teacher. Thank you!
> But could you also show us some context where the calls
> to p and r show some difference?
>
> Teacher:
>
> |>>> print( r() )
> |7
> |>>> print( p() )
> |7
> |None
>
> |>>> x = r()
> |>>> x = p()
> |7
>
> Pupil:
>
> Now I'm confused. What's "None"?
>
> Teacher:
>
> ...
I did do this too. I think that was helpful. I told them --- a print
doesn't let you easily ``capture'' a value calculated in a procedure.
Thank you!
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