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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 populate_local_cache(self):
 """Populate the local cache from DB. Read the entries from FW DB and Calls routines to populate the cache. """

        fw_dict = self.get_all_fw_db()
        for fw_id in fw_dict:
            LOG.info("Populating cache for FW %s", fw_id)
            fw_data = fw_dict[fw_id]
            self.populate_local_cache_tenant(fw_id, fw_data)