From 7ddcc8ada7aac23999b51d2d5851b61d90f6bdd7 Mon Sep 17 00:00:00 2001 From: carmamenriosrodriguez Date: Thu, 15 Jan 2026 17:44:11 +0100 Subject: [PATCH] Update lab-python-error-handling.ipynb --- lab-python-error-handling.ipynb | 201 +++++++++++++++++++++++++++++++- 1 file changed, 199 insertions(+), 2 deletions(-) diff --git a/lab-python-error-handling.ipynb b/lab-python-error-handling.ipynb index f4c6ef6..9a687db 100644 --- a/lab-python-error-handling.ipynb +++ b/lab-python-error-handling.ipynb @@ -72,11 +72,208 @@ "\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": 194, + "id": "0d6a6b6b", + "metadata": {}, + "outputs": [], + "source": [ + "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]" + ] + }, + { + "cell_type": "code", + "execution_count": 195, + "id": "d3e656b0", + "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(f\"Enter the quantity of {product}s available: \"))\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": 212, + "id": "524380d3", + "metadata": {}, + "outputs": [ + { + "data": { + "text/plain": [ + "{'t-shirt': 12, 'mug': 123, 'hat': 11, 'book': 22, 'keychain': 1}" + ] + }, + "execution_count": 212, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "initialize_inventory(products)" + ] + }, + { + "cell_type": "code", + "execution_count": 213, + "id": "8e66a6b8", + "metadata": {}, + "outputs": [], + "source": [ + "def get_customer_orders(inventory):\n", + " while True:\n", + " try:\n", + " order_count = int(input(\"How many products do you want? \"))\n", + " if order_count < 0:\n", + " print(\"Please enter a positive number.\")\n", + " continue\n", + " break\n", + " except ValueError:\n", + " print(\"Invalid input. Please enter a numeric value for the quantity.\")\n", + "\n", + " customer_orders = set()\n", + "\n", + " for i in range(order_count):\n", + " while True:\n", + " product_name = input(f\"Enter the name of product please: \")\n", + " \n", + " if product_name not in inventory:\n", + " print(f\"Sorry, '{product_name}' is not in our inventory. Try again.\")\n", + " elif inventory[product_name] <= 0:\n", + " print(f\"Sorry, '{product_name}' is out of stock. Please choose another.\")\n", + " else:\n", + " customer_orders.add(product_name)\n", + " break\n", + " \n", + " return customer_orders" + ] + }, + { + "cell_type": "code", + "execution_count": 214, + "id": "23a07f1b", + "metadata": {}, + "outputs": [], + "source": [ + "inventory = {'t-shirt': 12, 'mug': 123, 'hat': 11, 'book': 22, 'keychain': 1}" + ] + }, + { + "cell_type": "code", + "execution_count": 215, + "id": "96d3df6b", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Please enter a positive number.\n", + "Invalid input. Please enter a numeric value for the quantity.\n", + "Invalid input. Please enter a numeric value for the quantity.\n", + "Sorry, 'hats' is not in our inventory. Try again.\n", + "Sorry, '2' is not in our inventory. Try again.\n" + ] + }, + { + "data": { + "text/plain": [ + "{'book', 'hat', 'mug'}" + ] + }, + "execution_count": 215, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "get_customer_orders(inventory)\n" + ] + }, + { + "cell_type": "code", + "execution_count": 219, + "id": "ec062702", + "metadata": {}, + "outputs": [], + "source": [ + "def total_price(costumer_orders):\n", + " cost_of_products = []\n", + "\n", + " for item in costumer_orders:\n", + " valid_price = False \n", + " while not valid_price:\n", + " try: \n", + " price = float(input(f\"Enter a valid price of {item}\")) \n", + " if price < 0: \n", + " raise ValueError(f\"Your {item} must have a positive price\")\n", + " cost_of_products.append(price)\n", + " valid_price = True\n", + " except ValueError as error: \n", + " print(f\"Error: {error}\")\n", + "\n", + " result = sum(cost_of_products)\n", + " return result\n", + " " + ] + }, + { + "cell_type": "code", + "execution_count": 217, + "id": "a5a76821", + "metadata": {}, + "outputs": [], + "source": [ + "costumer_orders = [\"mug\", \"hat\", \"book\"]" + ] + }, + { + "cell_type": "code", + "execution_count": 218, + "id": "aa071b4e", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Error: Your mug must have a positive price\n", + "Error: could not convert string to float: 'ha'\n" + ] + }, + { + "data": { + "text/plain": [ + "33.5" + ] + }, + "execution_count": 218, + "metadata": {}, + "output_type": "execute_result" + } + ], + "source": [ + "total_price(costumer_orders)" + ] } ], "metadata": { "kernelspec": { - "display_name": "Python 3 (ipykernel)", + "display_name": "ds", "language": "python", "name": "python3" }, @@ -90,7 +287,7 @@ "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", - "version": "3.9.13" + "version": "3.12.12" } }, "nbformat": 4,