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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 add(self, quote_id, coupon_code, store_view=None):
 """ Add a coupon code to a quote. :param quote_id: Shopping cart ID (quote ID) :param coupon_code, string, Coupon code :param store_view: Store view ID or code :return: boolean, True if the coupon code is added """

        return bool(
            self.call('cart_coupon.add', [quote_id, coupon_code, store_view])
        )