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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 getCachedDataKey(engineVersionHash, key):
 		""" 		Retrieves the cached data value for the specified engine version hash and dictionary key 		"""

		cacheFile = CachedDataManager._cacheFileForHash(engineVersionHash)
		return JsonDataManager(cacheFile).getKey(key)