diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb index f4c7391..bb9b34c 100644 --- a/lab-python-flow-control.ipynb +++ b/lab-python-flow-control.ipynb @@ -37,13 +37,177 @@ "\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": 1, + "id": "885f111e-6e87-47d6-9b40-f9f53ba4c9e9", + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the quantity of t-shirt available in the inventory: 20\n", + "Enter the quantity of mug available in the inventory: 30\n", + "Enter the quantity of hat available in the inventory: 10\n", + "Enter the quantity of book available in the inventory: 80\n", + "Enter the quantity of keychain available in the inventory: 60\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "\n", + "Initial invetory:\n", + "{'t-shirt': 20, 'mug': 30, 'hat': 10, 'book': 80, 'keychain': 60}\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the name of product 1 to order: hat\n", + "Enter the name of product 2 to order: mug\n", + "Enter the name of product 3 to order: book\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "{'mug', 'book', 'hat'}\n" + ] + } + ], + "source": [ + "#1. Look at your code from the lab data structures, and improve repeated code with loops\n", + "\n", + "# Define a list of products\n", + "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n", + "\n", + "# Create an empty dictionary\n", + "inventory = {}\n", + "\n", + "# The code is already improved with loop for\n", + "\n", + "# We used the loop for to ask the users to input the quantity of each product available in the inventory\n", + "for p in products:\n", + " product_quantity = int(input(f\"Enter the quantity of {p} available in the inventory: \"))\n", + " inventory [p] = product_quantity\n", + " \n", + "print(f\"\\nInitial invetory:\")\n", + "print(inventory)\n", + "\n", + "# Create an empty set called customer_orders to avoid duplicated orders\n", + "customer_orders = set()\n", + "\n", + "# We used the loop for to ask the user to input the name of three products \n", + "for i in range(3):\n", + " product_name = input(f\"Enter the name of product {i+1} to order: \")\n", + " customer_orders.add (product_name)\n", + "\n", + "# Display the customer orders\n", + "print(customer_orders)\n" + ] + }, + { + "cell_type": "code", + "execution_count": 2, + "id": "a96779f2-aab8-42f9-8ce9-32b37d636f38", + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the name of a product to order: hat\n", + "Do you want to add another product ? (yes or no) : yes\n", + "Enter the name of a product to order: mug\n", + "Do you want to add another product ? (yes or no) : yes\n", + "Enter the name of a product to order: book\n", + "Do you want to add another product ? (yes or no) : yes\n", + "Enter the name of a product to order: mug\n", + "Do you want to add another product ? (yes or no) : no\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Customer orders: \n", + "{'mug', 'book', 'hat'}\n" + ] + } + ], + "source": [ + "#2. Instead of asking the user to input the name of three products that a customer wants to order, do the following:\n", + "customer_orders = set() \n", + "# we create the variable for the loop\n", + "add_product = \"yes\"\n", + "\n", + "#a. Prompt the user to enter the name of a product that a customer wants to order.\n", + "while add_product.lower() == \"yes\":\n", + " product_name = input(f\"Enter the name of a product to order: \").strip().lower()\n", + " \n", + "#b. Add the product name to the \"customer_orders\" set.\n", + " customer_orders.add(product_name)\n", + "\n", + "# c. Ask the user if they want to add another product (yes/no).\n", + " add_product = input(f\"Do you want to add another product ? (yes or no) :\")\n", + "\n", + "\n", + " \n", + " \n", + "#d. Continue the loop until the user does not want to add another product\n", + "\n", + "# continue asking for products until the user says \"no\"\n", + "while add_product.lower() == \"yes\":\n", + " \n", + " # Prompt the user to enter the name of a product\n", + " product_name = input(\"Enter the name of the product: \")\n", + " \n", + " #Add the product name to the set\n", + " customer_orders.add(product_name)\n", + " \n", + " #Ask if the user wants to add another product\n", + " add_product = input(f\"Do you want to add another product ? (yes/no): \") \n", + "\n", + "print (\"Customer orders: \")\n", + "print(customer_orders)" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "id": "a090fe32-d146-4204-97a7-426b14599ad5", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "New quantity: {'t-shirt': 20, 'mug': 29, 'hat': 9, 'book': 79, 'keychain': 60}\n" + ] + } + ], + "source": [ + "# 3. Instead of updating the inventory by subtracting 1 from the quantity of each product, \n", + "# Check whether the ordered product exists in inventory\n", + "for p in customer_orders:\n", + " if p in inventory:\n", + " inventory[p] -=1\n", + "\n", + "print(f\"New quantity: {inventory}\")" + ] } ], "metadata": { "kernelspec": { - "display_name": "Python 3 (ipykernel)", + "display_name": "Python [conda env:base] *", "language": "python", - "name": "python3" + "name": "conda-base-py" }, "language_info": { "codemirror_mode": { @@ -55,7 +219,7 @@ "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", - "version": "3.9.13" + "version": "3.13.5" } }, "nbformat": 4,