text: # Take two numbers from user and pass them to a method which will return their GCD 
  # for more info on this quiz, go to this url: http://www.programmr.com/greatest-common-divisor-3
  
  
  def greatest_divisor(num_1, num_2):
      if num_1 > num_2:
          small = num_2
      else:
          small = num_1
  
      for i in range(1, small + 1):
          if num_1 % i == 0 and num_2 % i == 0:
              gcd = i
      return gcd
  
  
  if __name__ == "main":
      print(greatest_divisor(12, 16))
  