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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 get_scheduler_from_hostname(self, host_name):
 """Get scheduler linked to the given host_name :param host_name: host_name we want the scheduler from :type host_name: str :return: scheduler with id corresponding to the mapping table :rtype: dict """

        scheduler_uuid = self.hosts_schedulers.get(host_name, None)
        return self.schedulers.get(scheduler_uuid, None)