Newbie Q on searching lists

[Patrick W]

Kenny Tilton <ktilton at nyc.rr.com> writes:

> >>1. Am I missing something?
> >>
> > if calculators.count(thisCalculator): # returns zero if not found
> >    raise CircularDependency, thisCalculator
> 
> oops :)  thx!

Try this:

if thisCalculator in calculators:
        do_stuff()

Tests of the form '<item> in <sequence>' work for dictionaries
(hashtables), strings and tuples as well as lists.