code: def cmp_private_numbers(pn1, pn2):
      
      if not cmp_public_numbers(pn1.public_numbers, pn2.public_numbers):
          return False
  
      for param in ['d', 'p', 'q']:
          if getattr(pn1, param) != getattr(pn2, param):
              return False
      return True
docs: Compare 2 sets of private numbers. This is for comparing 2
      private RSA keys.
  
      :param pn1: The set of values belonging to the 1st key
      :param pn2: The set of values belonging to the 2nd key
      :return: True is the sets are the same otherwise False.