[Tutor] Comparing to list elements

[Glen Wheeler]

  I'll present a solution in the form of a list comprehension.
  That way, if you don't know about these, then it incites further education
:).

>>> aList = [ 'hi', 'hello', 'welcome' ]
>>> sString = 'goodbye'
>>> [x for x in aList if x == sString]
[]
>>> if [x for x in aList if x == sString]:
..  print "sString is in aList"
..
>>>

  HTH,
  Glen

----- Original Message ----- 
From: "Bernard Lebel" <python at bernardlebel.com>
To: <tutor at python.org>
Sent: Tuesday, August 17, 2004 7:50 AM
Subject: [Tutor] Comparing to list elements


> Hello,
>
> I wish to compare a variable value to the elements from a list.
> For example:
>
> aList = [ 'hi', 'hello', 'welcome' ]
> sString = 'goodbye'
>
>
> Now I want to check if 'goodbye' is present in aList, and if not, take
> action.
>
>
> Thanks
> Bernard
>
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