def sim_mra(src, tar):
return MRA().sim(src, tar)<EOL>
Return the normalized MRA similarity of two strings.

    This is a wrapper for :py:meth:`MRA.sim`.

    Parameters
    ----------
    src : str
        Source string for comparison
    tar : str
        Target string for comparison

    Returns
    -------
    float
        Normalized MRA similarity

    Examples
    --------
    >>> sim_mra('cat', 'hat')
    0.8333333333333334
    >>> sim_mra('Niall', 'Neil')
    1.0
    >>> sim_mra('aluminum', 'Catalan')
    0.0
    >>> sim_mra('ATCG', 'TAGC')
    0.8333333333333334