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solucion lab error handling #290

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c68c7ed
solucion lab error handling
estcr Nov 7, 2024
a169a57
Solucion final error handling
estcr Nov 8, 2024
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152 changes: 150 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 +72,159 @@
"\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": 1,
"id": "aca453ff",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"{'sombrero': 5, 'camisetas': 5, 'llavero': 5, 'libro': 5, 'pantalon': 5}"
]
},
"execution_count": 1,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"products=[\"sombrero\",\"camisetas\", \"llavero\", \"libro\", \"pantalon\"]\n",
"\n",
"def initialize_inventory(products):\n",
" inventory = {}\n",
" for product in products:\n",
" valid_input = False\n",
" while not valid_input:\n",
" try:\n",
" quantity = int(input(f\"Enter the quantity of {product} available: \"))\n",
" if quantity >= 0:\n",
" inventory[product] = quantity\n",
" valid_input = True\n",
" else:\n",
" print(\"Quantity cannot be negative. Please enter a valid quantity.\")\n",
" except ValueError:\n",
" print(\"Invalid input. Please enter a valid quantity.\")\n",
" return inventory\n",
"\n",
"\n",
"inventory= initialize_inventory(products)\n",
"inventory"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "e2dcd0eb",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Producto agregado al pedido.\n",
"Producto agregado al pedido.\n",
"Producto agregado al pedido.\n",
"Tu pedido es: {'sombrero', 'libro', 'camisetas'}\n"
]
}
],
"source": [
"def get_customer_orders():\n",
" \"\"\"\n",
" Función creada para realizar un pedido.\n",
" Primero, solicita la cantidad de productos que el usuario quiere pedir.\n",
" Luego, pide ingresar productos de una lista predefinida y los agrega a un conjunto de pedidos válidos.\n",
" \"\"\"\n",
" \n",
" while True:\n",
" try:\n",
" number_of_orders = int(input(\"Por favor ingrese la cantidad de productos que desea pedir: \"))\n",
" if number_of_orders <= 0:\n",
" print(\"Debe ingresar un número positivo.\")\n",
" else:\n",
" break\n",
" except ValueError:\n",
" print(\"Entrada inválida. Por favor, ingrese un número entero positivo.\")\n",
" \n",
" customer_orders = set()\n",
" while len(customer_orders) < number_of_orders:\n",
" try:\n",
" producto = input(f\"Ingresa el nombre del producto de la siguiente lista {products} para confirmar tu pedido: \")\n",
" \n",
" if producto in inventory:\n",
" customer_orders.add(producto)\n",
" print(\"Producto agregado al pedido.\")\n",
" else:\n",
" print(\"El producto no está en la lista.\")\n",
" except ValueError:\n",
" raise ValueError(\"Entrada no válida. Por favor, ingresa un producto válido.\")\n",
"\n",
" return customer_orders\n",
"\n",
"\n",
"customer_orders = get_customer_orders()\n",
"print(\"Tu pedido es:\", customer_orders)"
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "301d81f2",
"metadata": {},
"outputs": [
{
"ename": "ValueError",
"evalue": "Error: valor no válido. Por favor, ingrese un número.",
"output_type": "error",
"traceback": [
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[1;31mValueError\u001b[0m Traceback (most recent call last)",
"Cell \u001b[1;32mIn[3], line 14\u001b[0m, in \u001b[0;36mcalculate_total_price\u001b[1;34m(customer_orders)\u001b[0m\n\u001b[0;32m 13\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m price \u001b[38;5;241m<\u001b[39m \u001b[38;5;241m0\u001b[39m:\n\u001b[1;32m---> 14\u001b[0m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mValueError\u001b[39;00m (\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mError: el precio no puede ser negativo. Por favor, ingrese un valor positivo.\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n\u001b[0;32m 15\u001b[0m \u001b[38;5;28;01melse\u001b[39;00m:\n",
"\u001b[1;31mValueError\u001b[0m: Error: el precio no puede ser negativo. Por favor, ingrese un valor positivo.",
"\nDuring handling of the above exception, another exception occurred:\n",
"\u001b[1;31mValueError\u001b[0m Traceback (most recent call last)",
"Cell \u001b[1;32mIn[3], line 25\u001b[0m\n\u001b[0;32m 20\u001b[0m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mValueError\u001b[39;00m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mError: valor no válido. Por favor, ingrese un número.\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n\u001b[0;32m 22\u001b[0m \u001b[38;5;28;01mreturn\u001b[39;00m total_price\n\u001b[1;32m---> 25\u001b[0m precio_total \u001b[38;5;241m=\u001b[39m \u001b[43mcalculate_total_price\u001b[49m\u001b[43m(\u001b[49m\u001b[43mcustomer_orders\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m 26\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mEl precio total de tu pedido es:\u001b[39m\u001b[38;5;124m\"\u001b[39m, precio_total)\n",
"Cell \u001b[1;32mIn[3], line 20\u001b[0m, in \u001b[0;36mcalculate_total_price\u001b[1;34m(customer_orders)\u001b[0m\n\u001b[0;32m 17\u001b[0m \u001b[38;5;28;01mbreak\u001b[39;00m\n\u001b[0;32m 19\u001b[0m \u001b[38;5;28;01mexcept\u001b[39;00m \u001b[38;5;167;01mValueError\u001b[39;00m:\n\u001b[1;32m---> 20\u001b[0m \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mValueError\u001b[39;00m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mError: valor no válido. Por favor, ingrese un número.\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n\u001b[0;32m 22\u001b[0m \u001b[38;5;28;01mreturn\u001b[39;00m total_price\n",
"\u001b[1;31mValueError\u001b[0m: Error: valor no válido. Por favor, ingrese un número."
]
}
],
"source": [
"def calculate_total_price(customer_orders):\n",
" \"\"\"\n",
" Función que solicita al usuario ingresar el precio de cada producto del pedido.\n",
" Usa como parametro la orden previamente hecha\n",
" Retorna la suma de los precios de la orden y maneja errores de entrada.\n",
" \"\"\"\n",
" total_price = 0.0\n",
" \n",
" for producto in customer_orders:\n",
" while True:\n",
" try:\n",
" price = float(input(f\"Ingrese el precio para '{producto}': \"))\n",
" if price < 0:\n",
" raise ValueError (\"Error: el precio no puede ser negativo. Por favor, ingrese un valor positivo.\")\n",
" else:\n",
" total_price += price\n",
" break\n",
"\n",
" except ValueError:\n",
" raise ValueError(\"Error: valor no válido. Por favor, ingrese un número.\")\n",
" \n",
" return total_price\n",
"\n",
"\n",
"precio_total = calculate_total_price(customer_orders)\n",
"print(\"El precio total de tu pedido es:\", precio_total)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
Expand All @@ -90,7 +238,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.11.4"
}
},
"nbformat": 4,
Expand Down