Steven D'Aprano <[email protected]> writes:
> http://code.activestate.com/recipes/577821-integer-square-root-function/
The methods there are more "mathematical" but probably slower than what
I posted.
Just for laughs, this prints the first 20 primes using Python 3's
"yield from":
import itertools
def sieve(ps):
p = ps.__next__()
yield p
yield from sieve(a for a in ps if a % p != 0)
primes = sieve(itertools.count(2))
print(list(itertools.islice(primes,20)))
It's not that practical above a few hundred primes, probably.
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