the element is a titlecased
    string and there is at least one character, false otherwise.

    Call `str.istitle` element-wise.

    For 8-bit strings, this method is locale-dependent.

    Parameters
    ----------
    a : array_like of str or unicode

    Returns
    -------
    out : ndarray
        Output array of bools

    See Also
    --------
    str.istitle
    r,