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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def ungrab_key(conn, wid, modifiers, key):
 """ Ungrabs a key that was grabbed by ``grab_key``. Similarly, it will return True on success and False on failure. When ungrabbing a key, the parameters to this function should be *precisely* the same as the parameters to ``grab_key``. :param wid: A window identifier. :type wid: int :param modifiers: A modifier mask. :type modifiers: int :param key: A keycode. :type key: int :rtype: bool """

    try:
        for mod in TRIVIAL_MODS:
            conn.core.UngrabKeyChecked(key, wid, modifiers | mod).check()

        return True
    except xproto.BadAccess:
        return False