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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 display_name(self, display_name):
 """ Sets the display_name of this OrderFulfillmentRecipient. The display name of the fulfillment recipient. If provided, overrides the value from customer profile indicated by customer_id. :param display_name: The display_name of this OrderFulfillmentRecipient. :type: str """


        if display_name is None:
            raise ValueError("Invalid value for `display_name`, must not be `None`")
        if len(display_name) > 255:
            raise ValueError("Invalid value for `display_name`, length must be less than `255`")

        self._display_name = display_name