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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 routers_updated(self, context, routers, operation=None, data=None, shuffle_agents=False):
 """Notify cfg agents about configuration changes to routers. This includes operations performed on the router like when a router interface is added or removed. """

        if routers:
            self._notification(context, 'routers_updated', routers, operation,
                               shuffle_agents)