From 2a66ef1ebc48d9cd9d890dd9ca26df8f49f3f4f7 Mon Sep 17 00:00:00 2001 From: pilescpor Date: Sat, 28 Sep 2024 17:23:58 +0200 Subject: [PATCH] Lab python error handing --- lab-python-error-handling.ipynb | 196 +++++++++++++++++++++++++++++++- 1 file changed, 195 insertions(+), 1 deletion(-) diff --git a/lab-python-error-handling.ipynb b/lab-python-error-handling.ipynb index f4c6ef6..0d273fd 100644 --- a/lab-python-error-handling.ipynb +++ b/lab-python-error-handling.ipynb @@ -72,6 +72,200 @@ "\n", "4. Test your code by running the program and deliberately entering invalid quantities and product names. Make sure the error handling mechanism works as expected.\n" ] + }, + { + "cell_type": "code", + "execution_count": 166, + "id": "84683025", + "metadata": {}, + "outputs": [], + "source": [ + "def initialize_inventory(products):\n", + " inventory ={}\n", + " for product in products:\n", + " valid_quantity = False\n", + " while not valid_quantity:\n", + " try:\n", + " quantity = int(input(\"Which is the quantity of the product \" + product + \"?\"))\n", + " if quantity < 0:\n", + " raise ValueError(\"Invalid quantity! Please enter a non-negative value.\")\n", + " valid_quantity = True\n", + " except ValueError as error:\n", + " print(f\"Error: {error}\")\n", + " inventory[product] = quantity\n", + " return inventory" + ] + }, + { + "cell_type": "code", + "execution_count": 167, + "id": "52f9032c", + "metadata": {}, + "outputs": [], + "source": [ + "def get_customer_orders(products):\n", + " customer_orders = set()\n", + " valid_order = False\n", + " num_products = 0\n", + " while not valid_order:\n", + " try:\n", + " num_products = int(input(\"How many products do you order?\"))\n", + " if num_products < 0:\n", + " raise ValueError(\"Invalid order! Please enter a non-negative value.\")\n", + " valid_order = True\n", + " except ValueError as error:\n", + " print(f\"Error: {error}\")\n", + " while len(customer_orders) < num_products: \n", + " try:\n", + " product = input(\"Which product do you want to add?\")\n", + " if product not in products:\n", + " raise ValueError(\"Invalid product! Please enter a valid product.\")\n", + " else: \n", + " customer_orders.add(product)\n", + " except ValueError as error:\n", + " print(f\"Error: {error}\")\n", + " return customer_orders" + ] + }, + { + "cell_type": "code", + "execution_count": 168, + "id": "bc4bc0ad", + "metadata": {}, + "outputs": [], + "source": [ + "def print_order_statistics(order_statistics):\n", + " print(\n", + " '''\n", + " Order Statistics:\n", + " Total Products Ordered: {}\n", + " Percentage of Products Ordered: {}% \n", + " '''.format(order_statistics[0],order_statistics[1])\n", + " )" + ] + }, + { + "cell_type": "code", + "execution_count": 169, + "id": "0190ad95", + "metadata": {}, + "outputs": [], + "source": [ + "def update_inventory(customer_orders, inventory):\n", + " inventory = {product: quantity - 1 if product in customer_orders else quantity for product, quantity in inventory.items()}\n", + " return inventory" + ] + }, + { + "cell_type": "code", + "execution_count": 170, + "id": "0ed307bd", + "metadata": {}, + "outputs": [], + "source": [ + "def print_updated_inventory(inventory):\n", + " for product, quantity in inventory.items():\n", + " print(\"The quantity of the product {} is {}\".format(product,quantity))" + ] + }, + { + "cell_type": "code", + "execution_count": 171, + "id": "86ff6667", + "metadata": {}, + "outputs": [], + "source": [ + "def calculate_order_statistics(customer_orders, products):\n", + " total_products_ordered = len(customer_orders)\n", + " percentage_ordered = total_products_ordered/len(products)*100\n", + " return (total_products_ordered, percentage_ordered)" + ] + }, + { + "cell_type": "code", + "execution_count": 172, + "id": "6c3b0016", + "metadata": {}, + "outputs": [], + "source": [ + "def price(customer_orders):\n", + " prices = {}\n", + " for product in customer_orders:\n", + " valid_price = False\n", + " while not valid_price:\n", + " try:\n", + " quantity = int(input(f\"What is the price of the {product}?\"))\n", + " if quantity < 0:\n", + " raise ValueError(\"Invalid price! Please enter a valid price.\")\n", + " valid_price = True\n", + " prices[product] = quantity\n", + " except ValueError as error:\n", + " print(f\"Error: {error}\") \n", + " return prices\n", + "\n", + "def print_price(prices):\n", + " for product, price in prices.items():\n", + " print(\"The price of the product {} is {}\".format(product,price))\n", + "def total_price(prices):\n", + " print(f\"Total price: {sum(prices.values())}\")" + ] + }, + { + "cell_type": "code", + "execution_count": 173, + "id": "f84ed5bb", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Error: invalid literal for int() with base 10: 'g'\n", + "Error: Invalid quantity! Please enter a non-negative value.\n", + "Initial inventory:\n", + "The quantity of the product t-shirt is 6\n", + "The quantity of the product mug is 5\n", + "The quantity of the product hat is 4\n", + "The quantity of the product book is 7\n", + "The quantity of the product keychain is 5\n", + "Error: invalid literal for int() with base 10: 'g'\n", + "Error: Invalid order! Please enter a non-negative value.\n", + "Error: Invalid product! Please enter a valid product.\n", + "Error: Invalid product! Please enter a valid product.\n", + "\n", + " Order Statistics:\n", + " Total Products Ordered: 2\n", + " Percentage of Products Ordered: 40.0% \n", + " \n", + "Update inventory:\n", + "The quantity of the product t-shirt is 6\n", + "The quantity of the product mug is 5\n", + "The quantity of the product hat is 3\n", + "The quantity of the product book is 6\n", + "The quantity of the product keychain is 5\n", + "Error: invalid literal for int() with base 10: 'f'\n", + "Error: Invalid price! Please enter a valid price.\n", + "The price of the product hat is 4\n", + "The price of the product book is 5\n", + "Total price: 9\n" + ] + } + ], + "source": [ + "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n", + "inventory = initialize_inventory(products)\n", + "print(\"Initial inventory:\")\n", + "print_updated_inventory(inventory)\n", + "customer_orders = get_customer_orders(products)\n", + "inventory = update_inventory(customer_orders,inventory)\n", + "order_statistics = calculate_order_statistics(customer_orders,inventory)\n", + "print_order_statistics(order_statistics)\n", + "print(\"Update inventory:\")\n", + "print_updated_inventory(inventory)\n", + "prices = price(customer_orders)\n", + "print_price(prices)\n", + "total_price(prices)" + ] } ], "metadata": { @@ -90,7 +284,7 @@ "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", - "version": "3.9.13" + "version": "3.6.2" } }, "nbformat": 4,