Newbie: searching a list
Rainy
sill at optonline.net
Wed May 23 13:02:53 EDT 2001
On Wed, 23 May 2001 11:18:53 -0500, user <user at comm.mot.com> wrote:
> I have a list generated from a "sentence=split(some_file.readline())"
> statement.
>
> A sample list resulting from this statement is:
> ['Independent', 'Variable', '=', '11', ';']
>
> I want to extract the '11', which is the next item in the list following
> the equals sign; I thought to get it this way:
>
> found=0
> IV=''
> for item in sentence:
> if found:
> IV=item
> break
> if item == "=":
> found=1
>
> This works, but is it the best way to do it?
>
> -- Stephen
>
Is it always the 4th one there?
If so, you may do something like
var = sentence[3]
If not, but if it's the first int there, you may do this:
for item in sentence:
try:
var = int(item)
except ValueError: pass
else: break
If not, you can do this:
indOfEq = sentence.index('=')
var = sentence[indOfEq+1]
Actually, this seems to be the easiest and
most safe (and clear) way..
--
I'll give you anything, everything if you want things
- Syd
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