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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 addMatch(self, callback, mtype=None, sender=None, interface=None, member=None, path=None, path_namespace=None, destination=None, arg=None, arg_path=None, arg0namespace=None):
 """ Creates a message matching rule, associates it with the specified callback function, and sends the match rule to the DBus daemon. The arguments to this function are exactly follow the DBus specification. Refer to the \"Message Bus Message Routing\" section of the DBus specification for details. @rtype: C{int} @returns: a L{Deferred} to an integer id that may be used to unregister the match rule """


        l = []

        def add(k, v):
            if v is not None:
                l.append("%s='%s'" % (k, v))

        add('type', mtype)
        add('sender', sender)
        add('interface', interface)
        add('member', member)
        add('path', path)
        add('path_namespace', path_namespace)
        add('destination', destination)

        if arg:
            for idx, v in arg:
                add('arg%d' % (idx,), v)

        if arg_path:
            for idx, v in arg_path:
                add('arg%dpath' % (idx,), v)

        add('arg0namespace', arg0namespace)

        rule = ','.join(l)

        d = self.callRemote(
            '/org/freedesktop/DBus',
            'AddMatch',
            interface='org.freedesktop.DBus',
            destination='org.freedesktop.DBus',
            body=[rule],
            signature='s',
        )

        def ok(_):
            rule_id = self.router.addMatch(
                callback,
                mtype,
                sender,
                interface,
                member,
                path,
                path_namespace,
                destination,
                arg,
                arg_path,
                arg0namespace,
            )
            self.match_rules[rule_id] = rule
            return rule_id

        d.addCallbacks(ok)

        return d