how to prime out prime numbers in a list code example
Example: python calculate prime numbers until numer
until = 20
[n for n in range(2, until) if all(n % m != 0 for m in range(2, n-1))]
until = 20
[n for n in range(2, until) if all(n % m != 0 for m in range(2, n-1))]