Newbie that don't understand
Fredrik Lundh
fredrik at pythonware.com
Sat Jun 29 13:16:45 EDT 2002
Martin Ståhl wrote:
> if a == b:
> print "The absolute values of", a,"and",b,"are equal"
> else:
> print "The absolute values of a and b are different"
>
> with the output being:
> The absolute values of 23 and 23 are equal"
>
> how can 23 and -23 be equal?
"value of" != "absolute value of"
in ordinary math notation, the absolute value of a number
x is written |x|, and is simply what you get if you remove
the sign.
in python, it's usually written:
abs(x)
also see:
http://mathworld.wolfram.com/AbsoluteValue.html
</F>
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