Function gcd

recipes/Python/578421_Greatest_CommDivisor_using/recipe-578421.py:1–8

(a,b)

def gcd(a,b):
	t = b
	b = a % b
	
	if b == 0:
		return t
	else:
		return gcd(t,b)
		
def main(argv):
	if (len(sys.argv) != 3):