def test_is_pentagonal_number(self): self.assertTrue(my_module.is_pentagonal_number(145)) self.assertFalse(my_module.is_pentagonal_number(467))
import my_module differences = [] for a in xrange(1, 3000): for b in xrange(1, 3000): if a > b: if my_module.is_pentagonal_number(my_module.nth_pentagonal_number(a) + my_module.nth_pentagonal_number(b)): if my_module.is_pentagonal_number(my_module.nth_pentagonal_number(a) - my_module.nth_pentagonal_number(b)): differences.append(my_module.nth_pentagonal_number(a) - my_module.nth_pentagonal_number(b)) print(max(differences))