On May 28, 5:43 pm, guthrie <guth...@mum.edu> wrote: > I want to do a functional like pattern match to get teh first two > elements, and then the rest of an array return value. > > For example, assume that perms(x) returns a list of values, and I want > to do this: > seq=perms(x) > > a = seq[0] > b = seq[1] > rest = seq[2:] > Of course I can shorten to: > [a,b] = seq[0:2] > rest = seq[2:] > > Can I find use some notation to do this? > [a,b,more] = perms(x) > or conceptually: > [a,b,more..] = perms(x)
>>> perms = 'abcdefghijklmnopqrstuvwxyz' >>> [a,b],more = perms[0:2],perms[2:] >>> a 'a' >>> b 'b' >>> more 'cdefghijklmnopqrstuvwxyz' > > PROLOG & functional languages do list decomposition so nicely like > this! -- http://mail.python.org/mailman/listinfo/python-list
