def test_collatz_sequence_length(self): self.assertEqual(my_module.collatz_sequence_length(1), 1) self.assertEqual(my_module.collatz_sequence_length(3), 8) self.assertEqual(my_module.collatz_sequence_length(7), 17)
import my_module largest_sequence = 0 largest_sequence_number = 0 for i in xrange(2, 1000000): if my_module.collatz_sequence_length(i) > largest_sequence: largest_sequence = my_module.collatz_sequence_length(i) largest_sequence_number = i print largest_sequence_number