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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 find_action(self, action_name):
 """Find an action by name. Convenience method that searches through all the services offered by the Server for an action and returns an Action instance. If the action is not found, returns None. If multiple actions with the same name are found it returns the first one. """

        for service in self.services:
            action = service.find_action(action_name)
            if action is not None:
                return action