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Lab Solved #419

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176 changes: 175 additions & 1 deletion lab-python-error-handling.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,180 @@
"\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": 14,
"id": "bede8213-7129-4407-9f96-4f21a7f21b36",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the quantity of t-shirts available: -5\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Quantity cannot be negative. Please enter a valid quantity.\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the quantity of t-shirts available: 5\n",
"Enter the quantity of mugs available: 8\n",
"Enter the quantity of hats available: 10\n",
"Enter the quantity of books available: 4\n",
"Enter the quantity of keychains available: 6\n",
"Enter the number of customer orders: 3\n",
"Enter the name of a product for order 1: 3\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Invalid product name. Please choose from the available inventory.\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the name of a product for order 1: hat\n",
"Enter the name of a product for order 2: t-shirt\n",
"Enter the name of a product for order 3: mug\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"Order Statistics:\n",
"Total Products Ordered: 3\n",
"Percentage of Unique Products Ordered: 60.0%\n",
"\n",
"Updated Inventory:\n",
"t-shirt: 4\n",
"mug: 7\n",
"hat: 9\n",
"book: 4\n",
"keychain: 6\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the price of mug: 5\n",
"Enter the price of hat: 15\n",
"Enter the price of t-shirt: 30\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"Total Price: $50.00\n"
]
}
],
"source": [
"def initialize_inventory(products):\n",
" inventory = {}\n",
" for product in products:\n",
" while True:\n",
" try:\n",
" quantity = int(input(f\"Enter the quantity of {product}s available: \"))\n",
" if quantity < 0:\n",
" print(\"Quantity cannot be negative. Please enter a valid quantity.\")\n",
" else:\n",
" inventory[product] = quantity\n",
" break\n",
" except ValueError:\n",
" print(\"Invalid input. Please enter a numeric value.\")\n",
" return inventory \n",
"def get_customer_orders(inventory):\n",
" while True:\n",
" try:\n",
" num_orders = int(input(\"Enter the number of customer orders: \"))\n",
" if num_orders < 0:\n",
" print(\"Number of orders cannot be negative.\")\n",
" else:\n",
" break\n",
" except ValueError:\n",
" print(\"Invalid input. Please enter a valid number.\")\n",
"\n",
" orders = []\n",
" for i in range(num_orders):\n",
" while True:\n",
" product = input(f\"Enter the name of a product for order {i + 1}: \").strip().lower()\n",
" if product not in inventory:\n",
" print(\"Invalid product name. Please choose from the available inventory.\")\n",
" elif inventory[product] == 0:\n",
" print(f\"Sorry, {product}s are out of stock.\")\n",
" else:\n",
" orders.append(product)\n",
" break\n",
" return orders\n",
"\n",
"\n",
"def calculate_total_price(customer_orders):\n",
" prices = {}\n",
" for product in set(customer_orders):\n",
" while True:\n",
" try:\n",
" price = float(input(f\"Enter the price of {product}: \"))\n",
" if price < 0:\n",
" print(\"Price cannot be negative. Please enter a valid price.\")\n",
" else:\n",
" prices[product] = price\n",
" break\n",
" except ValueError:\n",
" print(\"Invalid input. Please enter a numeric value.\")\n",
" return sum(prices[product] for product in customer_orders)\n",
"\n",
"\n",
"def update_inventory(inventory, customer_orders):\n",
" for product in customer_orders:\n",
" if product in inventory and inventory[product] > 0:\n",
" inventory[product] -= 1\n",
" return {product: qty for product, qty in inventory.items() if qty > 0}\n",
"\n",
"\n",
"def main():\n",
" products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
" inventory = initialize_inventory(products)\n",
"\n",
" customer_orders = get_customer_orders(inventory)\n",
"\n",
" print()\n",
" print(\"Order Statistics:\")\n",
" print(f\"Total Products Ordered: {len(customer_orders)}\")\n",
" percent_unique = (len(set(customer_orders)) / len(products)) * 100\n",
" print(f\"Percentage of Unique Products Ordered: {percent_unique:.1f}%\")\n",
"\n",
" inventory = update_inventory(inventory, customer_orders)\n",
"\n",
" print()\n",
" print(\"Updated Inventory:\")\n",
" for product, qty in inventory.items():\n",
" print(f\"{product}: {qty}\")\n",
"\n",
" total_price = calculate_total_price(customer_orders)\n",
" print(f\"\\nTotal Price: ${total_price:.2f}\")\n",
"\n",
"\n",
"if __name__ == \"__main__\":\n",
" main()"
]
}
],
"metadata": {
Expand All @@ -90,7 +264,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.12.7"
}
},
"nbformat": 4,
Expand Down