On Wed, 27 Jul 2022 at 01:06, Cecil Westerhof via Python-list <python-list@python.org> wrote: > > I need to get a random integer. At first I tried it with: > from secrets import randbelow > index = randbelow(len(to_try)) > > This works perfectly, but it took some time. So I thought I try: > from random import SystemRandom > index = SystemRandom().randint(0, len(to_try) - 1) > > A first indication is that the second version would take about two > times as much time as the first. Is there a reason for this, or should > this not be happening? >
You're setting up a brand new SystemRandom instance just for a single random number. For a fairer comparison, set up the instance, then generate far more than just a single number, and see how that goes. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
