[Tutor] ASCII Conversion

[Christian Witts]

On 2012/01/31 06:50 AM, Michael Lewis wrote:
> I am trying to do a simple test but am not sure how to get around 
> ASCII conversion of characters. I want to pass in y have the function 
> test to see if y is an integer and print out a value if that integer 
> satisfies the if statement. However, if I pass in a string, it's 
> converted to ASCII and will still satisfy the if statement and print 
> out value. How do I ensure that a string is caught as a ValueError 
> instead of being converted?
>
> def TestY(y):
>     try:
>         y = int(y)
>     except ValueError:
>         pass
>     if y < -1 or y > 1:
>         value = 82
>         print value
>     else:
>         pass
>
> -- 
> Michael J. Lewis
> mjolewis at gmail.com <mailto:mjolewis at gmail.com>
> 415.815.7257
>
>
>
> _______________________________________________
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If you just want to test if `y` is an integer you can do so with 
`type(y) == int`, and to get the ASCII value of a character you can use 
`ord` like `ord('a') == 97`. And how to avoid your ValueError with a bad 
conversion, do your type checking before hand.

Hope that helps.
-- 

Christian Witts
Python Developer
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