def finalize_output(src):
    """
        finalize_output()
        ________________________________________________________________________

        One of the fonctions required by an output. finalize_output() is
        called after the gathering of all the parts' outputs in order
        to gather all these parts.
        This function is called by musamusa.formats.formats.py::output() .
        ________________________________________________________________________

        ARGUMENT : src = list of ( (str)formatname, data )
                   with, for this format : data = str

        RETURNED VALUE : a string, the final output
    """
    res = []
    for _, data in src:
        res.append(data)
    return '[[' + ' '.join(res) + ']]'
