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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 _getUE4BuildInterrogator(self):
 		""" 		Uses UE4BuildInterrogator to interrogate UnrealBuildTool about third-party library details 		"""

		ubtLambda = lambda target, platform, config, args: self._runUnrealBuildTool(target, platform, config, args, True)
		interrogator = UE4BuildInterrogator(self.getEngineRoot(), self._getEngineVersionDetails(), self._getEngineVersionHash(), ubtLambda)
		return interrogator