def test_example(self): grid = [ [1, 4, 5], [2, 6, 7], [3, 8, 9] ] self.assertEqual( search_2d_sorted(grid, 4), (0, 1) )
def test_simple_there(self): self.assertEqual( search_2d_sorted([[1]], 1), (0, 0) )
def test_simple_missing(self): self.assertEqual( search_2d_sorted([[2]], 1), None )