boB Stepp <robertvst...@gmail.com> writes:
> On Sun, Mar 20, 2016 at 8:19 PM, Ben Finney <ben+pyt...@benfinney.id.au>
> wrote:
> > if rng is None:
> > rng = random._inst
> >
> > which is the default RNG instance in the module.
>
> Can I not use:
>
> if rng is None:
> rng = random.Random()
That will work.
It unfortunately creates a new random.Random instance every time that
line is executed, making the function waste a lot of time.
So instead, you many want to create a module-level instance, and refer
to that as the default.
# die_roller.py
""" Functionality for rolling numbers from polyhedral dice. """
import random
rng = random.Random()
def roll_die(num_sides, rng=rng):
# …
--
\ “Give a man a fish, and you'll feed him for a day; give him a |
`\ religion, and he'll starve to death while praying for a fish.” |
_o__) —Anonymous |
Ben Finney
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