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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_preset_prices(self, preset):
 """Get preset item prices. Retrieve a SoftLayer_Product_Package_Preset record. :param int preset: preset identifier. :returns: A list of price IDs associated with the given preset_id. """

        mask = 'mask[prices[item]]'

        prices = self.package_preset.getObject(id=preset, mask=mask)
        return prices