Finding the array index number for known content.
pcooke at philc.net
Sat Oct 30 04:04:12 CEST 2004
That was quick :)
Thank you very much indeed.
On Fri, 29 Oct 2004 18:47:20 -0700, Josiah Carlson <jcarlson at uci.edu>
>PhilC <pcooke at philc.net> wrote:
>> If I have an array holding a pair of numbers, and that pairing is
>> unique, is there a way that I can find the array index number for that
>If by "array" you mean "Python list", then yes:
>If by "array" you mean "array from the array module", then "pair of
>numbers" is just two adjacent numbers that are of your 'pair' value,
>then you are going to have to do it by hand...
>def find_pair(arry, val1, val2):
> for i in xrange(len(arry)-1):
> if arry[i] == val1 and arry[i+1] == val2:
> return i
> raise IndexError, "pair (%s, %s) not found in array"%(val1, val2)
> - Josiah
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