import sys def is_prime(num): for j in range(2,num): if (num % j) == 0: return False return True def main(argv): if (len(sys.argv) != 3): sys.exit('Usage: prime_numbers1.py ') low = int(sys.argv[1]) high = int(sys.argv[2]) for i in range(low,high,1): if is_prime(i): print i, if __name__ == "__main__": main(sys.argv[1:])