you could use a list comprehension to do the same thing: print sum([x for x in xrange(101)]) although the n(n+1)/2 is probably the best, I'd just like to poin

you could use a list comprehension to do the same thing: print sum([x for x in xrange(101)]) although the n(n+1)/2 is probably the best, I'd just like to point that out because I wish someone would have pointed out list comprehensions to me earlier :)