[Tutor] creating a range above & below a given number

[Emile van Sebille]

On 6/6/2009 12:31 PM Gonzalo Garcia-Perate said...
> Hello tutor, What's the simplest way of creating a list with a range
> of numbers above and below a given number?
> 
> see the function below:
> 
>     def within_range( self, number, median, threshold=5 ):
>         # build a list of (threshold) numbers above and below median
>         range_list = range( median - threshold, median )
>         range_list.extend( range( median, median + ( threshold + 1 ) ) )
>         if __debug__: print "number %s, median %s, within range %s,
> list %s, list length %s" % ( number, median, number in range_list,
> range_list, len( range_list ) )
>         if number not in range_list: return False
>         return True
> 
> this works fine, but is there a simpler way of doing it? a one liner?  :)


This either returns True or False depending upon whether the passed in 
number is within threshold of the median ... something like (untested):


def within_range(number, median, threshold=5):
     return threshold-median<number<threshold+median

Of course, the ranges you're testing with are all integers, so you may 
want to check for that as well.

Emile

> 
> Thanks,
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