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Lab error handling solucionado #564

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203 changes: 201 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 +72,210 @@
"\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": 80,
"id": "496e214e",
"metadata": {},
"outputs": [],
"source": [
"products =[\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]"
]
},
{
"cell_type": "code",
"execution_count": 81,
"id": "8d981ba5",
"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\"Introduzca la cantidad {product}s disponibles: \"))\n",
" if quantity < 0:\n",
" raise ValueError(\"Cantidad invalida! Por favor, introduzca un número que no sea negativo.\")\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": 93,
"id": "c55dbca4",
"metadata": {},
"outputs": [],
"source": [
"def get_customer_orders(inventory):\n",
" customer_orders = {}\n",
" while True:\n",
" try:\n",
" quantity = int(input(f\"Cuantos productos desea añadir?: \"))\n",
" if quantity < 0:\n",
" raise ValueError(\"Cantidad invalida! por favor, introduzca un número que no sea negativo\")\n",
" \n",
"\n",
" except ValueError as error:\n",
" print(f\"Error: {error}\")\n",
" continue\n",
" \n",
" while True:\n",
" try:\n",
" product_name = input(\"Qué producto desea añadir?: \").strip()\n",
" if product_name not in inventory:\n",
" raise ValueError(\"El producto no está en el inventario.\")\n",
" \n",
" if inventory[product_name] < quantity:\n",
" raise ValueError(\"No hay suficiente stock de este producto.\")\n",
" \n",
" if product_name in customer_orders:\n",
" customer_orders[product_name] += quantity\n",
"\n",
" else:\n",
" customer_orders[product_name] = quantity\n",
"\n",
" inventory[product_name] -= quantity\n",
" break\n",
"\n",
" except ValueError as error:\n",
" print(f\"Error: {error} Introduzca un número válido.\")\n",
" \n",
" add_another = input(\"Desea seguir añadiendo productos? (yes/no)\").strip().lower()\n",
" if add_another != \"yes\":\n",
" break\n",
"\n",
" return customer_orders\n",
" "
]
},
{
"cell_type": "code",
"execution_count": 83,
"id": "daed3668",
"metadata": {},
"outputs": [],
"source": [
"def update_inventory(customer_orders, inventory):\n",
" updated_inventory = {product: (cantidad -1 if product in customer_orders else cantidad) for product,cantidad in inventory.items() if (cantidad -1 > 0) or (product not in customer_orders)}\n",
" return updated_inventory"
]
},
{
"cell_type": "code",
"execution_count": 84,
"id": "7a98a0bf",
"metadata": {},
"outputs": [],
"source": [
"def calculate_order_statistics(customer_orders, products):\n",
" total_products_ordered = len(customer_orders)\n",
" percentage_unique_products = (total_products_ordered / len(products)) *100\n",
"\n",
" return total_products_ordered, percentage_unique_products"
]
},
{
"cell_type": "code",
"execution_count": 85,
"id": "8f3f9646",
"metadata": {},
"outputs": [],
"source": [
"def print_order_statistics(order_statistics):\n",
" total, percentage = order_statistics\n",
" \n",
" print (\"order Statistics\")\n",
" print (\"------\")\n",
" print (f\"Total products ordered: {total}\")\n",
" print (f\"Percentage of unique products ordered: {percentage}%\")\n",
" "
]
},
{
"cell_type": "code",
"execution_count": 86,
"id": "8338a514",
"metadata": {},
"outputs": [],
"source": [
"def print_updated_inventory(inventory):\n",
" print(\"Updated inventory: \")\n",
" [print(f\"{product}: {cantidad}\") for product, cantidad in inventory.items()]"
]
},
{
"cell_type": "code",
"execution_count": 87,
"id": "5f358a28",
"metadata": {},
"outputs": [],
"source": [
"def calculate_total_price(customer_orders):\n",
" total_price = {}\n",
" for product in customer_orders:\n",
" valid_price = False \n",
" while not valid_price:\n",
" try:\n",
" price = float(input(f\"Introduce el precio de {product}: \"))\n",
" \n",
" if price < 0:\n",
" raise ValueError(\"Precio invalido! Por favor, introduzca un valor no negativo.\")\n",
" valid_price = True\n",
" except ValueError as error:\n",
" print(f\"Error: {error}\")\n",
" total_price[product] = price\n",
" return total_price\n",
" "
]
},
{
"cell_type": "code",
"execution_count": 92,
"id": "6b80b666",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Error: No hay suficiente stock de este producto.. Introduzca un número válido.\n",
"order Statistics\n",
"------\n",
"Total products ordered: 1\n",
"Percentage of unique products ordered: 20.0%\n",
"Updated inventory: \n",
"t-shirt: 10\n",
"mug: 1\n",
"hat: 7\n",
"book: 10\n",
"keychain: 10\n",
"Total price: 5.0\n"
]
}
],
"source": [
"inventory = initialize_inventory(products)\n",
"customer_orders = get_customer_orders(inventory)\n",
"updated_inventory = update_inventory(customer_orders, inventory)\n",
"order_statistics = calculate_order_statistics (customer_orders, products)\n",
"\n",
"print_order_statistics (order_statistics)\n",
"print_updated_inventory (updated_inventory)\n",
"total_price = calculate_total_price (customer_orders)\n",
"print(\"Total price:\", sum(total_price.values()))"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "base",
"language": "python",
"name": "python3"
},
Expand All @@ -90,7 +289,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.13.9"
}
},
"nbformat": 4,
Expand Down