> I have a program that keeps some of its data in a list of tuples. > Sometimes, I want to be able to find that data out of the list. Here is > the list in question: > > [('password01', 'unk'), ('host', 'dragonstone.org'), ('port', '1234'), > ('character01', 'Thessalus')] > > For a regular list, I could do something like x.index('host') and find > the index of it, but I don't know how to do this for a tuple where the > data item isn't known in advance. For example, I want to get the "host" > entry from the list above; but I can only retrieve it if I know what it > contains (e.g., x.index(('host', 'dragonstone.org'))). > > Is there a better way to do this than a construct similar the following? > > for key, value in x: > if key == 'host': > print value >
If I were you I would use a dictionary for such a thing: mydict = dict( password01='unk', host='dragonstone.org', port='1234', character01='Thessalus' ) And then you would look up host by: mydict[ 'host' ] HTH, Daniel -- http://mail.python.org/mailman/listinfo/python-list