Newbie: last item of a loop

[Sven Brandt]

 > Jørgen Cederberg wrote:

[...]
> my_names=['Peter', 'Paul','Mary']
> if len(my_names) > 1:
>     my_name_string = ', '.join(my_names[:-1]) + ' and ' + my_names[-1]
> else:
>     my_name_string = my_names[0]
Yep, that's what I wanted ;-)

> I hope you can understand the usage of the join method on string.
join(my_names[:-1], ', ') is more familiar to me ...

Thanx for the help
Regards
Sven