Low Level Design, Object Oriented, Graph Data Structure, Hashmap, Interview Questions.
seller seller_id = self.product_seller[prod_id] self.seller_products[seller_id].remove(prod_id) self.product_seller.pop(prod_id) # Remove connections from categories price = self.product_price[prod_id] self.product_price.pop(prod_id) cat_ids = self.product_categories[prod_id] for cat_id in cat_ids: