From 36026783a3fb614d19e0239ba51a24d98531c0e6 Mon Sep 17 00:00:00 2001 From: Bibian <“bibian.glez@gmail.com”> Date: Fri, 26 Jun 2026 10:39:26 +0200 Subject: [PATCH] uploading lab --- lab-python-error-handling.ipynb | 297 +++++++++++++++++++++++++++++++- 1 file changed, 294 insertions(+), 3 deletions(-) diff --git a/lab-python-error-handling.ipynb b/lab-python-error-handling.ipynb index f4c6ef6..0f4b9e7 100644 --- a/lab-python-error-handling.ipynb +++ b/lab-python-error-handling.ipynb @@ -72,13 +72,304 @@ "\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": 11, + "id": "30baa24e-7c01-4838-a6a3-4b3d0b04aa48", + "metadata": {}, + "outputs": [], + "source": [ + "products=['t-shirt','mug','hat','book','keychain']\n" + ] + }, + { + "cell_type": "code", + "execution_count": 12, + "id": "b8bfe769-a9b9-4ea1-b97e-6cfaba76c457", + "metadata": {}, + "outputs": [], + "source": [ + "# 2 Modify the `calculate_total_price` function to include error handling.\n", + "\n", + "def initialize_inventory(products):\n", + " inventory = {}\n", + " \n", + " for product in products:\n", + " while True:\n", + " quantity = input(\"Enter the quantity of available \" + product + \"s : \")\n", + " \n", + " if quantity.isdigit():\n", + " inventory[product] = int(quantity)\n", + " break \n", + " else:\n", + " print(\"Invalid input, please try again\")\n", + " \n", + " return inventory" + ] + }, + { + "cell_type": "code", + "execution_count": 13, + "id": "1a5db72a-8640-4d6e-8b9e-6a2da1ae768f", + "metadata": {}, + "outputs": [], + "source": [ + "# 3\n", + "\n", + "def get_customer_order(inventory):\n", + " while True:\n", + " total_input = input(\"Enter the number of products you want to order:\").strip()\n", + " \n", + " if total_input.isdigit():\n", + " number_of_prod = int(total_input)\n", + " if number_of_prod > 0:\n", + " break \n", + " else:\n", + " print(\"To place an order please introduce a number of products greater than 0.\")\n", + " else:\n", + " print(\"Invalid input. Please enter the amount in the form of a whole number.\")\n", + "\n", + " customer_order = []\n", + " \n", + " \n", + " while len(customer_order) < number_of_prod:\n", + " product = input(\"Enter the name of the product you want to order: \").strip().lower()\n", + " \n", + " \n", + " if product not in inventory or inventory[product] <= 0:\n", + " \n", + " print(\"Please enter a valid product with stock available:\" + str(list(inventory.items())))\n", + " \n", + " \n", + " elif product in customer_order:\n", + " print(\"You already added this product to your order.\")\n", + " \n", + " else:\n", + " customer_order.append(product)\n", + " \n", + " return customer_order" + ] + }, + { + "cell_type": "code", + "execution_count": 14, + "id": "10c913f3-07c8-411d-a627-1249757f6af6", + "metadata": {}, + "outputs": [], + "source": [ + "def calculate_price(customer_order):\n", + " prices = []\n", + " for product in customer_order:\n", + " while True:\n", + " price_input = input(\"Enter the price of this product \" + product + \": \").strip()\n", + " \n", + " if price_input.replace(\".\", \"\", 1).isdigit():\n", + " price = float(price_input)\n", + " if price > 0:\n", + " prices.append(price)\n", + " break \n", + " else:\n", + " print(\"The price of the product must be greater than 0.\")\n", + " else:\n", + " print(\"Invalid input. Please enter a number and use '.' for decimals.\")\n", + " \n", + " total_price = sum(prices)\n", + " return total_price\n", + "\n", + "\n", + "\n", + "\n", + "def calculate_order_statistics(customer_order, products):\n", + " total = len(customer_order)\n", + " percentage = (total / len(products)) * 100\n", + " \n", + " print(\"Order Statistics:\")\n", + " print(\"Total Products Ordered: \" + str(total))\n", + " print(\"Percentage of Unique Products Ordered: \" + str(percentage))\n", + " \n", + " return total, percentage\n", + "\n", + "\n", + "def update_inventory(customer_order, inventory):\n", + " updated_inventory = {}\n", + " \n", + " for product in inventory:\n", + " value = inventory[product]\n", + " \n", + " if product in customer_order:\n", + " new_value = value - 1\n", + " else:\n", + " new_value = value\n", + " \n", + " if new_value > 0:\n", + " updated_inventory[product] = new_value\n", + " \n", + " return updated_inventory\n", + "\n", + "\n", + "def print_updated_inventory(inventory):\n", + " print(\"Updated inventory:\")\n", + " \n", + " final_inventory = []\n", + " for product in inventory:\n", + " quantity = inventory[product]\n", + " print(product + \": \" + str(quantity))\n", + " \n", + " return final_inventory" + ] + }, + { + "cell_type": "code", + "execution_count": 18, + "id": "6bbadfe9-9ce4-4312-abc5-3f7726133427", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "--- STEP 1: INITIALIZING INVENTORY ---\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the quantity of available t-shirts : 6\n", + "Enter the quantity of available mugs : 8\n", + "Enter the quantity of available hats : 9\n", + "Enter the quantity of available books : 25\n", + "Enter the quantity of available keychains : 1\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Initial Inventory Dictionary: {'t-shirt': 6, 'mug': 8, 'hat': 9, 'book': 25, 'keychain': 1}\n", + "----------------------------------------\n", + "\n", + "--- STEP 2: GETTING CUSTOMER ORDER ---\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the number of products you want to order: 4\n", + "Enter the name of the product you want to order: mug \n", + "Enter the name of the product you want to order: hat\n", + "Enter the name of the product you want to order: book\n", + "Enter the name of the product you want to order: dog\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Please enter a valid product with stock available:[('t-shirt', 6), ('mug', 8), ('hat', 9), ('book', 25), ('keychain', 1)]\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the name of the product you want to order: t-shirt\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Customer Order List: ['mug', 'hat', 'book', 't-shirt']\n", + "----------------------------------------\n", + "\n", + "--- STEP 3: CALCULATING TOTAL PRICE ---\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the price of this product mug: 6\n", + "Enter the price of this product hat: 8\n", + "Enter the price of this product book: 19\n", + "Enter the price of this product t-shirt: 25\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Total Price to Pay: 58.0\n", + "----------------------------------------\n", + "\n", + "--- STEP 4: SHOWING ORDER STATISTICS ---\n", + "Order Statistics:\n", + "Total Products Ordered: 4\n", + "Percentage of Unique Products Ordered: 80.0\n", + "----------------------------------------\n", + "\n", + "--- STEP 5: UPDATING INVENTORY STOCK ---\n", + "----------------------------------------\n", + "\n", + "--- STEP 6: PRINTING THE FINAL INVENTORY ---\n", + "Updated inventory:\n", + "t-shirt: 5\n", + "mug: 7\n", + "hat: 8\n", + "book: 24\n", + "keychain: 1\n", + "=========================================\n" + ] + } + ], + "source": [ + "products=['t-shirt','mug','hat','book','keychain']\n", + "\n", + "print(\"--- STEP 1: INITIALIZING INVENTORY ---\")\n", + "current_inventory = initialize_inventory(products)\n", + "print(\"Initial Inventory Dictionary:\", current_inventory)\n", + "print(\"-\" * 40)\n", + "\n", + "print(\"\\n--- STEP 2: GETTING CUSTOMER ORDER ---\")\n", + "order = get_customer_order(current_inventory)\n", + "print(\"Customer Order List:\", order)\n", + "print(\"-\" * 40)\n", + "\n", + "print(\"\\n--- STEP 3: CALCULATING TOTAL PRICE ---\")\n", + "total_to_pay = calculate_price(order)\n", + "print(\"Total Price to Pay: \" + str(total_to_pay))\n", + "print(\"-\" * 40)\n", + "\n", + "print(\"\\n--- STEP 4: SHOWING ORDER STATISTICS ---\")\n", + "stats = calculate_order_statistics(order, products)\n", + "print(\"-\" * 40)\n", + "\n", + "print(\"\\n--- STEP 5: UPDATING INVENTORY STOCK ---\")\n", + "current_inventory = update_inventory(order, current_inventory)\n", + "print(\"-\" * 40)\n", + "\n", + "print(\"\\n--- STEP 6: PRINTING THE FINAL INVENTORY ---\")\n", + "print_updated_inventory(current_inventory)\n", + "print(\"=========================================\")" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "5e27ec16-842f-4961-83e4-9cf2f447a80d", + "metadata": {}, + "outputs": [], + "source": [] } ], "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": { @@ -90,7 +381,7 @@ "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", - "version": "3.9.13" + "version": "3.13.9" } }, "nbformat": 4,