> users = ['admin', 'user1', 'user2']
> address = ('www.python.org', 80)
>
> index and count only make sense when the collection is homogeneous.
> Therefore they are not defined for tuple.
Why?
address = ['www.python.org',80]
A list can hold any kind of objects. I think that the 'index' method for
tuples would be a good idea.