[Tutor] stuck on null values

[Joel Goldstick]

On Fri, Mar 16, 2012 at 3:02 PM, Alan Gauld <alan.gauld at btinternet.com> wrote:
> On 16/03/12 14:44, Joel Goldstick wrote:
>
>> Take a look at this:
>>
>> while True:
>>   num = raw_input("give me an integer: ")
>>   try:
>>     n = int(num)
>>     break
>>   except:
>>     print "Sorry, that wasn't and integer!"
>>     pass
>
>
>
> The pass is redundant it does nothing (thats its purpose! :-)
> You can also remove the variable n:
>
> while True:
>    try:
>       num = int(raw_input("give me an integer: "))
>       # use num now or keep it for later
>       break
>    except:
>      print "Sorry, that wasn't an integer!"
>
> # can also use num here...
>
>
> HTH
> --
> Alan G
> Author of the Learn to Program web site
> http://www.alan-g.me.uk/
>
>
Good Catch!  I originally had the pass in alone, but then decided to
give a helpful message.  Didn't remove the pass
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-- 
Joel Goldstick