def tuple_add(t1, t2):
    """
        Adds two tuples componentwise

        Example
        >>> t1 = (1, 2, 3)
        >>> t2 = (4, 5, 6)
        >>> tuple_add(t1, t2)
        (5, 7, 9)
    """
    return tuple(r + s for r, s in zip(t1, t2))