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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 add_tag(self, task, params={}, **options):
 """Adds a tag to a task. Returns an empty data block. Parameters task : {Id} The task to add a tag to. [data] : {Object} Data for the request - tag : {Id} The tag to add to the task. """

        path = "/tasks/%s/addTag" % (task)
        return self.client.post(path, params, **options)