Help in string.digits functions

[John McMonagle]

On Mon, 2006-07-24 at 22:19 -0700, Anoop wrote:
> Hi All
> 
> I am getting two different outputs when i do an operation using
> string.digits and test.isdigit(). Is there any difference between the
> two. I have given the sample program and the output
> 
> Thanks for ur inputs
> 
> Anoop
> 
> #1:
> ~~
> import string
> 
> test='121206'
> 
> if test not in string.digits:
>     print "I am Not Digit"
> else:
>     print "I am Digit"
> 
> #2:
> ~~
> import string
> 
> test='121206'
> 
> if not test.isdigit():
>     print "I am Not Digit"
> else:
>     print "I am Digit"
> 
> Output
> ~~~~~
> #1:I am Not Digit
> #2:I am Digit
> 
> Thnks and Rgds 
> 
> Anoop
> 


string.digits is the string constant '0123456789'

So your test, "if test not in string.digits:" will evaluate True because
'121206' is not in '0123456789'.

Whereas test.isdigit() returns true if all the characters in test are
digits.

So yes, there is a big difference between the two.

Regards,

John



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