[Tutor] Location of found item in list.

[Chris Hengge]

I just replied to my original thread with output and real working code and
bolding and underlined items all over the place.. I dont see what is so hard
to explain...

Please refer to that post, so I dont end up just copying and pasting.

On 10/18/06, Kent Johnson <kent37 at tds.net> wrote:
>
> Chris Hengge wrote:
> > Ok the example I gave here wasn't written as I had it in my head.. you
> > are right, the example only had 1 sentence.
> >
> > Inputs:
> > List1 ['a.exe','b.exe',c.exe']
> > List2 ['A.exe',B.eXe',c.EXE']
> >
> > for item in List1:
> >      if item in List2:
> >            print item + " " + list2thing that matched.
>
> But the list2thing that matched is the same as item! In this example
> nothing will match because nothing in list1 is also in list2. I still
> don't have a clue what you want.
> >
> > I can't force to upper or lower, that would break the already working
> > code..
> >
> > Its just this darn output for list2 that isn't working.
> >
> > I tried the suggested list.index(item) but that wont work if there isn't
> > a match.
>
> It raises an exception if there is no match, but you want to print only
> if there is a match. John Fouhy showed how to catch the exception.
>
> I'm done guessing what you want. If you can't state the problem so I can
> understand it I give up.
>
> Kent
>
> > Right now my code works when there is a match, and if there isnt'...
> > It also works for renaming the actual file to match the file call from
> > the document.
> >
> > I'm about to take the display out, since I dont honestly care that it
> > works, but now that I've been working with it I'm being stubborn and
> > want the darn thing to show me =P
> >
> > On 10/18/06, *Kent Johnson* <kent37 at tds.net <mailto:kent37 at tds.net>>
> wrote:
> >
> >     Chris Hengge wrote:
> >      > Tried your first suggestion.
> >      > AttributeError: 'list' object has no attribute 'find'
> >
> >     Sorry, it's index() not find(). Strings have both but lists only
> have
> >     index()
> >      >
> >      > Perhaps a better explanation...
> >      >
> >      >
> >      > for word in paragraph:
> >      >      if word in sentence:
> >      >           print word + sentence
> >      >
> >      > Assume that the word is only used once per paragraph.
> >
> >     Still not clear - the above looks like it would actually run.
> >      >
> >      > I can't figure out how to tell it to print the right sentence
> (using
> >      > this example) because python does the search internally and
> >     doesn't seem
> >      > to have a way to return the list location where the match
> occurred.
> >
> >     There is only one sentence in the above example.
> >
> >     I think you want index(). If not, maybe you could show a small
> sample of
> >     the data and the result you want.
> >      >
> >      >
> >      > On 10/18/06, *Kent Johnson* < kent37 at tds.net
> >     <mailto:kent37 at tds.net> <mailto:kent37 at tds.net
> >     <mailto:kent37 at tds.net>>> wrote:
> >      >
> >      >     Chris Hengge wrote:
> >      >      > Still no progress with this myself.
> >      >      >
> >      >      > For clarification if I didn't provide enough earlier,
> >      >      > for item in list1:
> >      >      >     if item in list2:
> >      >      >          print item and list[object at location where
> matched
> >      >     item] <--
> >      >      > need this location.
> >      >
> >      >     I still don't understand your question. If you want the index
> >     in list2
> >      >     of the item that matches, use list2.find(item).
> >      >
> >      >     If you want to enumerate over a list and have the list
> indices
> >      >     available
> >      >     as well as the list values, use enumerate() e.g.
> >      >     for i, item in enumerate(list1):
> >      >        # i is the index of item in list1
> >      >
> >      >     Kent
> >      >
> >      >      >
> >      >      > On 10/18/06, *Chris Hengge* < pyro9219 at gmail.com
> >     <mailto:pyro9219 at gmail.com>
> >      >     <mailto: pyro9219 at gmail.com <mailto:pyro9219 at gmail.com>>
> >      >      > <mailto:pyro9219 at gmail.com <mailto:pyro9219 at gmail.com>
> >     <mailto:pyro9219 at gmail.com <mailto:pyro9219 at gmail.com>>>> wrote:
> >      >      >
> >      >      >     I'm looking for a way to do the following.
> >      >      >
> >      >      >     for item in limitedLineList:
> >      >      >             if item in directoryList:
> >      >      >                 print match.ljust(20) +
> >      >     limitedLineList[count].ljust(20)
> >      >      >     + directoryList[ count].ljust(20)
> >      >      >             else:
> >      >      >                 print fail.ljust(20) +
> >      >     limitedLineList[count].ljust(20)
> >      >      >     + directoryList[count].ljust(20)
> >      >      >                 os.rename(pathName + directoryList[
> count],
> >      >     pathName +
> >      >      >     limitedLineList[count])
> >      >      >             count = count + 1
> >      >      >
> >      >      >     Where I have underlined, needs to be the item from the
> >      >      >     directoryList, and I'm unable to find a way to return
> >     that.
> >      >      >
> >      >      >     The code is actually doing what I want correctly,
> >     (cheated a
> >      >     test by
> >      >      >     hand changing variables), but I need to find the
> directory
> >      >     location.
> >      >      >
> >      >      >     Thanks.
> >      >      >
> >      >      >
> >      >      >
> >      >      >
> >      >
> >
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