def upperSlash(r, c):
    """
    >>> upperSlash(6 ,3)
    [(6, 3), (7, 2), (8, 1)]
    >>> upperSlash(3, 4)
    [(3, 4), (4, 3), (5, 2), (6, 1)]
    >>> upperSlash(2, 2)
    [(2, 2), (3, 1)]
    >>> upperSlash(1, 1)
    [(1, 1)]
    >>> upperSlash(8, 8)
    [(8, 8)]
    >>> upperSlash(1, 8)
    [(1, 8), (2, 7), (3, 6), (4, 5), (5, 4), (6, 3), (7, 2), (8, 1)]
    """
    upper_x = range(r, 9, 1)
    upper_y = range(c, 0, -1)
    return zip(upper_x, upper_y)