Erik Max Francis: >result = [sqrt(x**2 + y**2) for x, y in zip(xs, ys)] Another possibility:
from math import hypot result = [hypot(*xy) for xy in zip(xs, ys)] Or better: from math import hypot result = map(hypot, xs, ys) bearophile -- http://mail.python.org/mailman/listinfo/python-list
