On Sun, Sep 22, 2013 at 10:18:23AM +1000, Amit Saha wrote:
> Hi all,
>
> I want my program to report an error if anything other than a number
> which I can then convert to float using float() is entered as input:
>
> # Python 3
> try:
> a = float(input('Enter a number: '))
>
> except ValueError:
> print('Wrong input')
> else:
> print('Right input')
>
>
> This seems to do the job for me.
[...]
> I have two queries:
>
> - Is this the best way to do this?
> - Is this is the easiest way to tell a beginner to do this? (Even
> though it introduces try..except)
Yes, and yes.
--
Steven
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