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Error_handling_Gabriel_dia4 #632

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81d4e8c
Error_handling_Gabriel_dia4
gabrieleb76-bot Apr 17, 2026
3f4d98c
lab-python-error-handling.ipynb_CORRECTION
gabrieleb76-bot Apr 17, 2026
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268 changes: 266 additions & 2 deletions lab-python-error-handling.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -72,11 +72,275 @@
"\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": 4,
"id": "9a5ff580",
"metadata": {},
"outputs": [],
"source": [
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]"
]
},
{
"cell_type": "code",
"execution_count": 1,
"id": "5bc92a63",
"metadata": {},
"outputs": [],
"source": [
"def initialize_inventory(products):\n",
" inventory = {}\n",
"\n",
" for product in products:\n",
" while True:\n",
" try:\n",
" quantity = int(input(f\"Enter the quantity of {product}s available: \"))\n",
"\n",
" if quantity < 0:\n",
" raise ValueError(\"Quantity cannot be negative. Please enter a valid quantity.\")\n",
"\n",
" inventory[product] = quantity\n",
" break\n",
"\n",
" except ValueError as error:\n",
" print(f\"Error: {error}\")\n",
"\n",
" return inventory "
]
},
{
"cell_type": "code",
"execution_count": 5,
"id": "6e1e6966",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'t-shirt': 5, 'mug': 4, 'hat': 3, 'book': 2, 'keychain': 1}\n"
]
}
],
"source": [
"inventory = initialize_inventory(products)\n",
"print(inventory)"
]
},
{
"cell_type": "code",
"execution_count": 6,
"id": "7d18849b",
"metadata": {},
"outputs": [],
"source": [
"def get_customer_orders(inventory):\n",
" while True:\n",
" try:\n",
" number_of_orders = int(input(\"Enter the number of customer orders: \"))\n",
"\n",
" if number_of_orders < 0:\n",
" raise ValueError(\"The number of orders cannot be negative. Please enter a valid number.\")\n",
"\n",
" break\n",
"\n",
" except ValueError as error:\n",
" print(f\"Error: {error}\")\n",
"\n",
" customer_orders = set()\n",
"\n",
" while len(customer_orders) < number_of_orders:\n",
" try:\n",
" product = input(\"Enter the name of a product that a customer wants to order: \").strip().lower()\n",
"\n",
" if product not in inventory:\n",
" raise ValueError(\"This product does not exist in the inventory. Please enter a valid product.\")\n",
"\n",
" if inventory[product] <= 0:\n",
" raise ValueError(\"This product is out of stock. Please choose another product.\")\n",
"\n",
" customer_orders.add(product)\n",
"\n",
" except ValueError as error:\n",
" print(f\"Error: {error}\")\n",
"\n",
" return customer_orders"
]
},
{
"cell_type": "code",
"execution_count": 8,
"id": "8cdaf00f",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'t-shirt', 'book', 'keychain', 'hat'}\n"
]
}
],
"source": [
"customer_orders = get_customer_orders(inventory)\n",
"print(customer_orders)"
]
},
{
"cell_type": "code",
"execution_count": 14,
"id": "a7578e74",
"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": 9,
"id": "368a410b",
"metadata": {},
"outputs": [],
"source": [
"def print_order_statistics(order_statistics):\n",
" total_products_ordered, percentage_ordered = order_statistics\n",
"\n",
" print(\"\\nOrder Statistics:\")\n",
" print(f\"Total Products Ordered: {total_products_ordered}\")\n",
" print(f\"Percentage of Unique Products Ordered: {percentage_ordered:.1f}%\")"
]
},
{
"cell_type": "code",
"execution_count": 10,
"id": "50a94cbe",
"metadata": {},
"outputs": [],
"source": [
"def update_inventory(customer_orders, inventory):\n",
" updated_inventory = {}\n",
"\n",
" for product, quantity in inventory.items():\n",
" updated_quantity = quantity - 1 if product in customer_orders else quantity\n",
"\n",
" if updated_quantity > 0:\n",
" updated_inventory[product] = updated_quantity\n",
"\n",
" return updated_inventory"
]
},
{
"cell_type": "code",
"execution_count": 11,
"id": "2b5f0b94",
"metadata": {},
"outputs": [],
"source": [
"def calculate_total_price(customer_orders):\n",
" total_price = 0.0\n",
"\n",
" for product in customer_orders:\n",
" while True:\n",
" try:\n",
" price = float(input(f\"Enter the price of {product}: \"))\n",
"\n",
" if price < 0:\n",
" raise ValueError(\"Price cannot be negative. Please enter a valid price.\")\n",
"\n",
" total_price += price\n",
" break\n",
"\n",
" except ValueError as error:\n",
" print(f\"Error: {error}\")\n",
"\n",
" return total_price"
]
},
{
"cell_type": "code",
"execution_count": 12,
"id": "a4996b31",
"metadata": {},
"outputs": [],
"source": [
"def print_updated_inventory(inventory):\n",
" print(\"\\nUpdated Inventory:\")\n",
"\n",
" for product, quantity in inventory.items():\n",
" print(f\"{product}: {quantity}\")"
]
},
{
"cell_type": "code",
"execution_count": 17,
"id": "1ccdf895",
"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": 18,
"id": "51364811",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"Order Statistics:\n",
"Total Products Ordered: 2\n",
"Percentage of Unique Products Ordered: 40.0%\n",
"\n",
"Updated Inventory:\n",
"t-shirt: 5\n",
"mug: 3\n",
"hat: 2\n",
"book: 2\n",
"keychain: 1\n",
"\n",
"Total Price: $15.00\n"
]
}
],
"source": [
"inventory = initialize_inventory(products)\n",
"customer_orders = get_customer_orders(inventory)\n",
"\n",
"order_statistics = calculate_order_statistics(customer_orders, products)\n",
"print_order_statistics(order_statistics)\n",
"\n",
"inventory = update_inventory(customer_orders, inventory)\n",
"print_updated_inventory(inventory)\n",
"\n",
"total_price = calculate_total_price(customer_orders)\n",
"print(f\"\\nTotal Price: ${total_price:.2f}\")"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "495c97ca",
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
Expand All @@ -90,7 +354,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.9.6"
}
},
"nbformat": 4,
Expand Down