On Tue, Jun 2, 2015 at 8:23 AM, fl <rxjw...@gmail.com> wrote: > Hi, > > I have a list: > > > > > > >>>> lines > ['12', '42', '49', '156', '225', '36', '49', '164', '11181', '3100'] > > > > I want to access the last two digits. That is: > > ['12', '42', '49', '56', '25', '36', '49', '64', '81', '00'] > > > When I try to use lines[3][0] is '1' > lines[3][1] is '5' > lines[3][2] is '6' > > > I don't know whether there is a way to know the length of lines[3]. Then, I > can use a -1 step to get the last two digits. Or, you may have much better > ways to do that. Python is really too versatile I feel. > > Thanks, > -- > https://mail.python.org/mailman/listinfo/python-list
You should read about slices lines[3][-2:] will give the last two characters in the 3rd group (starting from 0) The notation means to start with 2 from the end, and proceed to the end -- Joel Goldstick http://joelgoldstick.com -- https://mail.python.org/mailman/listinfo/python-list