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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_first(self):
 		"""Return snmp value for the first OID."""

		try: # Nested try..except because of Python 2.4
			self.lock.acquire()
			try:
				return self.get(self.data_idx[0])
			except (IndexError, ValueError):
				return "NONE"
		finally:
			self.lock.release()