def METHOD_NAME(done_before, this_done):
    app.preceding_calls.value += 1
    if this_done:
        return ""
    all_before = len(done_before)
    done_before = len([1 for d in done_before if d])
    out = "{} of {} preceding items are done".format(done_before, all_before)
    if all_before == done_before:
        out += " DO THIS NEXT!"
    return out