Solved Lab: Abanoub

lab-python-error-handling.ipynb

@@ -72,11 +72,167 @@
     "\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": null,
+   "id": "1436ad04",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Error: Please enter a valid whole number for the count.\n",
+      "Error: Inventory count cannot be negative. Please try again.\n",
+      "Error: Inventory count cannot be negative. Please try again.\n",
+      "\n",
+      "Initial Inventory: {'t-shirt': 34, 'mug': 22, 'hat': 90, 'book': 33, 'keychain': 44}\n",
+      "Error: Sorry, 'hafdfd' is not in our product list. Available: t-shirt, mug, hat, book, keychain\n",
+      "Error: Sorry, 'fefoe' is not in our product list. Available: t-shirt, mug, hat, book, keychain\n",
+      "\n",
+      "Order Summary: {'hat', 'book', 'mug', 'keychain'}\n",
+      "Total Unique Products Ordered: 4\n",
+      "Percentage of Catalog Ordered: 80.00%\n",
+      "\n",
+      "Processing Orders...\n",
+      "Error: Please enter a valid numeric value for the price.\n",
+      "\n",
+      "Final Transaction Total: $144.00\n",
+      "\n",
+      "Final Inventory Status:\n",
+      "- T-shirt: 34\n",
+      "- Mug: 21\n",
+      "- Hat: 89\n",
+      "- Book: 32\n",
+      "- Keychain: 43\n"
+     ]
+    }
+   ],
+   "source": [
+    "import time\n",
+    "\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "    for product in products:\n",
+    "        while True:\n",
+    "            try:\n",
+    "                count = int(input(f\"Enter the inventory count for {product}: \"))\n",
+    "                if count < 0:\n",
+    "                    print(\"Error: Inventory count cannot be negative. Please try again.\")\n",
+    "                    continue\n",
+    "                inventory[product] = count\n",
+    "                break \n",
+    "            except ValueError:\n",
+    "                print(\"Error: Please enter a valid whole number for the count.\")\n",
+    "    return inventory\n",
+    "\n",
+    "def get_customer_orders(inventory):\n",
+    "    customer_orders = set()\n",
+    "\n",
+    "    try:\n",
+    "        while True:\n",
+    "            try:\n",
+    "                num_orders = int(input(\"\\nHow many different products would you like to order? \"))\n",
+    "                if num_orders < 0:\n",
+    "                    print(\"Error: Number of orders cannot be negative.\")\n",
+    "                    continue\n",
+    "                break\n",
+    "            except ValueError:\n",
+    "                print(\"Error: Please enter a valid number for the quantity of orders.\")\n",
+    "\n",
+    "        for i in range(num_orders):\n",
+    "            while True:\n",
+    "                order = input(f\"Enter the name of product {i+1}: \").strip().lower()\n",
+    "                try:\n",
+    "                    if order not in inventory:\n",
+    "                        print(f\"Error: Sorry, '{order}' is not in our product list. Available: {', '.join(inventory.keys())}\")\n",
+    "                    elif inventory[order] <= 0:\n",
+    "                        print(f\"Error: Sorry, '{order}' is currently out of stock.\")\n",
+    "                    else:\n",
+    "                        customer_orders.add(order)\n",
+    "                    break\n",
+    "                except ValueError:\n",
+    "                    print(\"Error: Please enter a valid number for the quantity of orders.\")\n",
+    "                \n",
+    "    except Exception as e:\n",
+    "        print(f\"An error occurred while processing orders: {e}\")\n",
+    "                \n",
+    "    return customer_orders\n",
+    "\n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    print(\"\\nProcessing Orders...\")\n",
+    "    for item in customer_orders:\n",
+    "        if inventory.get(item, 0) > 0:\n",
+    "            inventory[item] -= 1\n",
+    "            if inventory[item] == 0:\n",
+    "                print(f\"Alert: {item} is now out of stock!\")\n",
+    "\n",
+    "def calculate_order_statistics(customer_orders, total_products_count):\n",
+    "    unique_products_ordered = len(set(customer_orders))\n",
+    "    percentage_ordered = (unique_products_ordered / total_products_count) * 100\n",
+    "    return unique_products_ordered, percentage_ordered\n",
+    "\n",
+    "def calculate_total_price(customer_orders):\n",
+    "    total_price = 0\n",
+    "    unique_orders = set(customer_orders)\n",
+    "    \n",
+    "    prices = {}\n",
+    "    for item in unique_orders:\n",
+    "        while True:\n",
+    "            try:\n",
+    "                price = float(input(f\"Enter the price for {item}: \"))\n",
+    "                if price < 0:\n",
+    "                    print(\"Error: Price cannot be negative.\")\n",
+    "                    continue\n",
+    "                prices[item] = price\n",
+    "                break\n",
+    "            except ValueError:\n",
+    "                print(\"Error: Please enter a valid numeric value for the price.\")\n",
+    "    \n",
+    "    for item in customer_orders:\n",
+    "        total_price += prices[item]\n",
+    "        \n",
+    "    return total_price\n",
+    "\n",
+    "def main():\n",
+    "    products_list = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\n",
+    "    try:\n",
+    "        inventory = initialize_inventory(products_list)\n",
+    "        print(f\"\\nInitial Inventory: {inventory}\")\n",
+    "\n",
+    "        customer_orders = get_customer_orders(inventory)\n",
+    "        \n",
+    "        if not customer_orders:\n",
+    "            print(\"No orders were placed !.\")\n",
+    "            return\n",
+    "        total_unique, percentage = calculate_order_statistics(customer_orders, len(products_list))\n",
+    "        print(f\"\\nOrder Summary: {customer_orders}\")\n",
+    "        print(f\"Total Unique Products Ordered: {total_unique}\")\n",
+    "        print(f\"Percentage of Catalog Ordered: {percentage:.2f}%\")\n",
+    "        \n",
+    "        time.sleep(2)\n",
+    "        update_inventory(customer_orders, inventory)\n",
+    "        \n",
+    "        total_price = calculate_total_price(customer_orders)\n",
+    "        print(f\"\\nFinal Transaction Total: ${total_price:.2f}\")\n",
+    "        \n",
+    "        print(\"\\nFinal Inventory Status:\")\n",
+    "        for product, quantity in inventory.items():\n",
+    "            print(f\"- {product.capitalize()}: {quantity}\")\n",
+    "\n",
+    "    except Exception as e:\n",
+    "        print(f\"A critical system error occurred: {e}\")\n",
+    "\n",
+    "if __name__ == \"__main__\":\n",
+    "    main()"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -90,7 +246,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.12"
   }
  },
  "nbformat": 4,