On Jun 23, 10:32 am, cirfu <[EMAIL PROTECTED]> wrote: > [a+b for a,b in zip(xrange(1,51), xrange(50,0,-1))] > > [51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, > 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, > 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51] > > i want to add all the elemtns a s well. can i do this all in a > listcomprehension? > > i can do this ofc: > reduce(lambda x,y:x+y,[a+b for a,b in zip(xrange(1,51), > xrange(50,0,-1))]) > > but reduce is a functional way of doing it, what is the more pythonic > way of doing this?
Use the builtin 'sum' function. sum(a + b for a, b in zip(xrange(1, 51), xrange(50, 0, -1))) -- Paul Hankin -- http://mail.python.org/mailman/listinfo/python-list