You may try using set instead of list.
>>> verifiedList = {[1,2,3}
>>> scanResults = {1,2,3,4,5}
>>> badMacs = scanResults - verifiedList
>>> badMacs
set([4, 5])
>>> verifiedList = {1,2,3,7,8,9}
>>> badMacs = scanResults - verifiedList
>>> badMacs
set([4, 5])
--
shantanoo
On 26-Aug-2011, at 12:26 AM, Justin Wendl wrote:
> Hello,
>
> Bare with me, as I am new to Python and a beginner programmer.
> I am trying to compare two lists (not of the same length), and create a new
> list of items that are -not- found in both lists.
>
> Scenario: I have a list of MAC addresses that are known and good, and am
> comparing it to a list of MACs found in a scan. I want to weed out the those
> which are unknown. I am using IDLE (Python 2.7) on Windows, and all files
> are in the same directory.
>
> Code:
>
> scanResults = open('scanResults.txt', 'r')
> verifiedList = open('verifiedList.txt', 'r')
> badMacs = []
>
> for mac in scanResults:
> if mac not in verifiedList:
> print mac
> badMacs.append(mac)
> else:
> break
>
>
> When I print 'badMacs', the results come up empty:
> []
>
>
> Any help would be greatly appreciated!
>
> Regards,
> Justin
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