| Current Path : /lib64/python2.7/Demo/scripts/ |
| Current File : //lib64/python2.7/Demo/scripts/primes.py |
#! /usr/bin/python2.7
# Print prime numbers in a given range
def primes(min, max):
if max >= 2 >= min:
print 2
primes = [2]
i = 3
while i <= max:
for p in primes:
if i % p == 0 or p*p > i:
break
if i % p != 0:
primes.append(i)
if i >= min:
print i
i += 2
def main():
import sys
min, max = 2, 0x7fffffff
if sys.argv[1:]:
min = int(sys.argv[1])
if sys.argv[2:]:
max = int(sys.argv[2])
primes(min, max)
if __name__ == "__main__":
main()