sorting the list by inner elements

[ketulp_baroda at yahoo.com]

"Sean Ross" <sross at connectmail.carleton.ca> wrote in message news:<brg8c.18665$A_2.958214 at news20.bellglobal.com>...
> <ketulp_baroda at yahoo.com> wrote in message
> news:f046efac.0403240543.65a49ba1 at posting.google.com...
> > Hi, all
> >
> >  I want to sort the list,the form of my list is
> >
> >   name_city_list=[['jack','new york'],['mac','london'],['alice','paris']]
> >
> > all inner list has same format i.e first is name and second is city.
> > now I want to sort it by the second element of the inner list(by city
>  name).
> >
> > i.e after sorting my list should be like this
> >
> >   name_city_list=[['mac','london'],['jack','new york'],['alice','paris']]
> >
> > how can I do this,
> >
> > any way out ?
> 
> name_city_list.sort(lambda x, y: cmp(x[1],y[1]))

Hi,

This works !!! , thanks.
but I would like to know something that
i heard use of lambda function is not good !. So why it is not good,
or in when we should not use lambda function.

thank you again,