def test_equal_2(self): self.assertEqual(show_sequence(7), '0+1+2+3+4+5+6+7 = 28')
def test_equal_1(self): self.assertEqual(show_sequence(6), '0+1+2+3+4+5+6 = 21')
def test_equal_4(self): self.assertEqual(show_sequence(-1), '-1<0')
def test_equal_5(self): self.assertEqual(show_sequence(-10), '-10<0')
def test_equal_3(self): self.assertEqual(show_sequence(0), '0=0')