From 485353640ef8ad5e55a23cc7e57308a466f7e88e Mon Sep 17 00:00:00 2001 From: Paul Omogiate Obamwonyi Date: Tue, 18 Aug 2026 01:44:02 +0200 Subject: [PATCH] Complete optimized customer orders exercise --- lab-python-flow-control.ipynb | 212 +++++++++++++++++++++++++++++++++- 1 file changed, 208 insertions(+), 4 deletions(-) diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb index f4c7391..efe9d72 100644 --- a/lab-python-flow-control.ipynb +++ b/lab-python-flow-control.ipynb @@ -12,7 +12,7 @@ }, { "cell_type": "markdown", - "id": "3851fcd1-cf98-4653-9c89-e003b7ec9400", + "id": "df0eaec9-6d59-4f06-98d3-bb640aa365db", "metadata": {}, "source": [ "## Exercise: Managing Customer Orders Optimized\n", @@ -37,13 +37,217 @@ "\n", "3. Instead of updating the inventory by subtracting 1 from the quantity of each product, only do it for the products that were ordered (those in \"customer_orders\")." ] + }, + { + "cell_type": "code", + "execution_count": 2, + "id": "fa3c96cd-834c-45eb-b368-99446a287c15", + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the quantity of t-shirt: 5\n", + "Enter the quantity of mug: 4\n", + "Enter the quantity of hat: 3\n", + "Enter the quantity of book: 5\n", + "Enter the quantity of keychain: 2\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Inventory: {'t-shirt': 5, 'mug': 4, 'hat': 3, 'book': 5, 'keychain': 2}\n" + ] + } + ], + "source": [ + "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n", + "\n", + "inventory = {}\n", + "\n", + "for product in products:\n", + " quantity = int(input(f\"Enter the quantity of {product}: \"))\n", + " inventory[product] = quantity\n", + "\n", + "print(\"Inventory:\", inventory)" + ] + }, + { + "cell_type": "code", + "execution_count": 5, + "id": "5c374a99-7658-40d3-ba62-de733d261ff3", + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the name of a product you want to order: book\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "book was added to your order.\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Would you like to add another product? (yes/no): yes\n", + "Enter the name of a product you want to order: keychain\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "keychain was added to your order.\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Would you like to add another product? (yes/no): yes\n", + "Enter the name of a product you want to order: hat\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "hat was added to your order.\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Would you like to add another product? (yes/no): yes\n", + "Enter the name of a product you want to order: mug\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "mug was added to your order.\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Would you like to add another product? (yes/no): yes\n", + "Enter the name of a product you want to order: nail\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "nail is not available.\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Would you like to add another product? (yes/no): yes\n", + "Enter the name of a product you want to order: t-shirt\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "t-shirt was added to your order.\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Would you like to add another product? (yes/no): no\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Customer orders: {'keychain', 'mug', 't-shirt', 'hat', 'book'}\n" + ] + } + ], + "source": [ + "\n", + "customer_orders = set()\n", + "\n", + "while True:\n", + " product = input(\n", + " \"Enter the name of a product you want to order: \"\n", + " ).strip().lower()\n", + "\n", + " if product in inventory:\n", + " customer_orders.add(product)\n", + " print(f\"{product} was added to your order.\")\n", + " else:\n", + " print(f\"{product} is not available.\")\n", + "\n", + " another_product = input(\n", + " \"Would you like to add another product? (yes/no): \"\n", + " ).strip().lower()\n", + "\n", + " if another_product != \"yes\":\n", + " break\n", + "\n", + "print(\"Customer orders:\", customer_orders)" + ] + }, + { + "cell_type": "code", + "execution_count": 6, + "id": "01d83dd6-8153-49fd-9560-bd2e977b5349", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Updated inventory: {'t-shirt': 4, 'mug': 3, 'hat': 2, 'book': 4, 'keychain': 1}\n" + ] + } + ], + "source": [ + "for product in customer_orders:\n", + " if inventory[product] > 0:\n", + " inventory[product] -= 1\n", + " else:\n", + " print(f\"{product} is out of stock.\")\n", + "\n", + "print(\"Updated inventory:\", inventory)\n" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "1df43a23-445b-4e23-9b2b-2975f63fee20", + "metadata": {}, + "outputs": [], + "source": [] } ], "metadata": { "kernelspec": { - "display_name": "Python 3 (ipykernel)", + "display_name": "pj1_env", "language": "python", - "name": "python3" + "name": "venv" }, "language_info": { "codemirror_mode": { @@ -55,7 +259,7 @@ "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", - "version": "3.9.13" + "version": "3.12.13" } }, "nbformat": 4,