Low Level Design, Object Oriented, Graph Data Structure, Hashmap, Interview Questions.
", e) Add products def addProduct(self, seller_id, prod_id, price, cat_ids): # Add a product node try: if (prod_id, "PRODUCT") not in self.nodes: prod_node = Node(prod_id, "PRODUCT", {"price":price}) self.nodes[prod_node.uid] = prod_node prod_node = self.nodes[(prod_id, "PRODUCT")] if (seller_id,