is_prime.py

# from http://www.practicepython.org/exercise/2014/04/16/11-check-primality-functions.html

def is_prime(num):
    print "Checking if %d is Prime" % num
    numrange = [x for x in range(2,num)]
    count = 0

    for i in numrange:
        if num % i != 0:
            count = count
        elif num % i == 0:
            count += 1

    if count == 0:
        print "%d is Prime" % num
    else:
        print "%d is not Prime" % num

# Infinite loop so you can keep entering numbers
        
while 1==1: 
    is_prime(int(raw_input("Enter a number (ctrl+c to quit): "))) 


""" This is an automated test using the first 168 Prime numbers, with a few other numbers thrown in for fun.  The only difference is that the function loops through the list, whereas the challenge function asks the user for input. """
    
def is_prime_TEST(num):
   for i in num:
        print "Checking if %d is Prime" % i
        count = 0
        
        numrange = [x for x in range(2,i)]
 
        if i == 2:
            print "The number is Prime"
    
        for z in numrange:
            if i % z != 0:
                count = count
            else:
                count += 1

        if count == 0:
            print "%d is Prime" % i
        else:
            print "%d is not Prime" % i

""" checkTEST = [2, 3, 5, 6, 7, 10, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 80, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 228, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 390, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 570, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 742, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 828, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 920, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997, 998] """
 
# is_prime_TEST(checkTEST)