def calc_target_joint_dimension_from_link_list(link_list):
    """Calculate Total Degrees of Freedom from link list

    Parameters
    ----------
    link_list : list[skrobot.model.Link]

    Returns
    -------
    n : int
        total Degrees of Freedom
    """
    n = 0
    for link in link_list:
        if hasattr(link, 'joint'):
            n += link.joint.joint_dof
    return n