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184 changes: 182 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 +72,191 @@
"\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": "9d56b7fa",
"metadata": {},
"outputs": [],
"source": [
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "4b6ca543",
"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\"Indica la catidad {product}s disponible: \"))\n",
" if quantity < 0:\n",
" raise ValueError(\"Cantidad negativa, ingresa un valor positivo\")\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": 5,
"id": "c08703f1",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Error: invalid literal for int() with base 10: ''\n",
"Error: invalid literal for int() with base 10: 't'\n",
"Error: Cantidad negativa, ingresa un valor positivo\n",
"Stock: {'t-shirt': 2, 'mug': 3, 'hat': 4, 'book': 5, 'keychain': 7}\n"
]
}
],
"source": [
"inventory = initialize_inventory(products)\n",
"print(f\"Stock: {inventory}\")"
]
},
{
"cell_type": "code",
"execution_count": 6,
"id": "6901ad27",
"metadata": {},
"outputs": [],
"source": [
"customer_orders = products"
]
},
{
"cell_type": "code",
"execution_count": 7,
"id": "41bcd979",
"metadata": {},
"outputs": [],
"source": [
"def calculate_total_price(customer_orders):\n",
" prices = {}\n",
" for product in customer_orders:\n",
" valid_input = False\n",
" while not valid_input:\n",
" try:\n",
" price = float(input(f\"Ingresa el precio de {product}: \"))\n",
" if price >= 0:\n",
" prices[product] = price\n",
" valid_input = True\n",
" else:\n",
" print(\"Cantidad negativa, ingresa un valor positivo.\")\n",
" except ValueError:\n",
" print(\"Caracter invalido, ingresa un valor positivo.\")\n",
" \n",
" return prices"
]
},
{
"cell_type": "code",
"execution_count": 8,
"id": "ea3d033f",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Cantidad negativa, ingresa un valor positivo.\n",
"Caracter invalido, ingresa un valor positivo.\n"
]
},
{
"data": {
"text/plain": [
"{'t-shirt': 3.6, 'mug': 6.0, 'hat': 8.0, 'book': 7.0, 'keychain': 8.0}"
]
},
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"calculate_total_price(customer_orders)"
]
},
{
"cell_type": "code",
"execution_count": 9,
"id": "06cfa4c1",
"metadata": {},
"outputs": [],
"source": [
"def get_customer_orders(inventory):\n",
" while True:\n",
" try:\n",
" num_orders = int(input(\"¿Cuántos productos quiere pedir el cliente?: \"))\n",
" if num_orders < 0:\n",
" print(\"Cantidad negativa, ingresa un valor positivo.\")\n",
" else:\n",
" break\n",
" except ValueError:\n",
" print(\"Caracter invalido, ingresa un valor positivo.\")\n",
"\n",
" customer_orders = []\n",
"\n",
" for _ in range(num_orders):\n",
" while True:\n",
" product = input(\"Ingresa el nombre del producto que quieres pedir: \").strip().lower()\n",
" if product not in inventory:\n",
" print(\"Producto no encontrado en el inventario.\")\n",
" elif inventory[product] <= 0:\n",
" print(\"Producto sin stock disponible.\")\n",
" else:\n",
" customer_orders.append(product)\n",
" inventory[product] -= 1 \n",
" break\n",
"\n",
" return customer_orders"
]
},
{
"cell_type": "code",
"execution_count": 13,
"id": "f90de2b8",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Caracter invalido, ingresa un valor positivo.\n",
"Producto sin stock disponible.\n",
"Producto no encontrado en el inventario.\n",
"Producto no encontrado en el inventario.\n",
"Producto sin stock disponible.\n",
"Pedido: ['t-shirt', 'mug', 'hat', 'book', 'keychain']\n",
"Stock: {'t-shirt': 1, 'mug': 0, 'hat': 1, 'book': 3, 'keychain': 2}\n"
]
}
],
"source": [
"get_customer_orders(inventory)\n",
"print(f\"Pedido: {customer_orders}\")\n",
"print(f\"Stock: {inventory}\")"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "base",
"language": "python",
"name": "python3"
},
Expand All @@ -90,7 +270,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.12.7"
}
},
"nbformat": 4,
Expand Down