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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 id_pools_vmac_ranges(self):
 """ Gets the IdPoolsRanges API Client for VMAC Ranges. Returns: IdPoolsRanges: """

        if not self.__id_pools_vmac_ranges:
            self.__id_pools_vmac_ranges = IdPoolsRanges('vmac', self.__connection)
        return self.__id_pools_vmac_ranges