# Buggy program to print out the prime numbers between 2 and 100
#  CS 1 debugging example by Devin Balkcom, April 4 2015


possible_prime = 2

print "Prime numbers between 2 and 100:  "
while possible_prime < 100:

    possible_factor = 2   # bug 2

    # start by assuming the number is prime.
    prime = True

    # then use a loop to test whether that is correct by checking possible integer factors
    while possible_factor < possible_prime:  # bug 4

        # If the number is evenly divisible by the possible factor, then it's not a prime
        if possible_prime % possible_factor == 0:  # bug 3
            prime = False
            # Don't need to check any more factors.
            #   Terminate the loop early:
            break

        possible_factor += 1

    if prime:
        print str(possible_prime) + "  "

        possible_prime += 1   # bug #1