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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 getConfigDirectory():
 		""" 		Determines the platform-specific config directory location for ue4cli 		"""

		if platform.system() == 'Windows':
			return os.path.join(os.environ['APPDATA'], 'ue4cli')
		else:
			return os.path.join(os.environ['HOME'], '.config', 'ue4cli')