def test1(self):
self.assertFalse(sevens_in_a_row([1, 7, 1, 7, 7], 4))
def test3(self):
self.assertTrue(sevens_in_a_row([7, 2, 1, 6, 2], 1))
def test0(self):
self.assertTrue(sevens_in_a_row([10, 8, 7, 6, 7, 7, 7, 20, -7], 3))
def test2(self):
self.assertTrue(sevens_in_a_row([7, 7, 7, 1, 1, 1, 7, 7, 7, 7], 3))
