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week 1 extra lab 4 #31

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week 1 extra lab 4 #31

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136 changes: 133 additions & 3 deletions lab-python-error-handling.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -41,13 +41,143 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 10,
"id": "cc2c441d-9dcf-4817-b097-cf6cbe440846",
"metadata": {},
"outputs": [],
"source": [
"# your code goes here"
"products = ['t-shirt', 'mug', 'hat', 'book', 'keychain']\n",
"\n",
"def initialize_inventory(products):\n",
" inventory = {}\n",
" for product in products:\n",
" while True:\n",
" try:\n",
" quantity = int(input(f'Choose quantity of {product}: '))\n",
" if quantity < 0:\n",
" raise ValueError(\"Quantity cannot be negative.\")\n",
" inventory[product] = quantity\n",
" break\n",
" except ValueError as e:\n",
" print(f\"Invalid input: {e}. Please enter a non-negative integer.\")\n",
" return inventory\n",
"\n",
"def get_customer_orders(products):\n",
" customer_orders = set()\n",
"\n",
" while True:\n",
" try:\n",
" product = input(\"Enter the name of a product that the customer wants to order: \")\n",
" if product not in products:\n",
" raise ValueError(\"Invalid product name.\")\n",
" customer_orders.add(product)\n",
" answer = input(\"Do you want to add another product? (yes/no): \")\n",
" if answer.lower() in ['no', 'n']:\n",
" break\n",
" except ValueError as e:\n",
" print(e)\n",
" return customer_orders\n",
"\n",
"def update_inventory(customer_orders, inventory):\n",
" for product in customer_orders:\n",
" try:\n",
" if product in inventory:\n",
" if inventory[product] > 0:\n",
" inventory[product] -= 1\n",
" else:\n",
" print(f\"Out of stock for {product}.\")\n",
" else:\n",
" raise KeyError(f\"{product} is not in the inventory.\")\n",
" except KeyError as e:\n",
" print(e)\n",
" return inventory\n",
"\n",
"def calculate_order_statistics(customer_orders, products):\n",
" try:\n",
" total_products_ordered = len(customer_orders)\n",
" if len(products) == 0:\n",
" raise ValueError(\"Products list cannot be empty.\")\n",
" unique_products = set(products)\n",
" percentage = (total_products_ordered / len(unique_products)) * 100\n",
" return total_products_ordered, percentage\n",
" except ZeroDivisionError:\n",
" print(\"No products available to calculate percentage.\")\n",
" return 0, 0\n",
" except ValueError as e:\n",
" print(e)\n",
" return 0, 0\n",
"\n",
"def print_order_statistics(order_statistics):\n",
" try:\n",
" total_products_ordered, percentage_ordered = order_statistics\n",
" print(\"Order Statistics:\")\n",
" print(f\"Total Products Ordered: {total_products_ordered}\")\n",
" print(f\"Percentage of Products Ordered: {percentage_ordered}%\")\n",
" except Exception as e:\n",
" print(f\"An error occurred while printing order statistics: {e}\")\n",
"\n",
"def print_updated_inventory(inventory):\n",
" try:\n",
" print(\"Updated Inventory:\")\n",
" for product, quantity in inventory.items():\n",
" print(f\"{product}: {quantity}\")\n",
" except Exception as e:\n",
" print(f\"An error occurred while printing updated inventory: {e}\")"
]
},
{
"cell_type": "code",
"execution_count": 12,
"id": "0cea9bf3-ee43-4903-954c-efe00d4aeaa4",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Choose quantity of t-shirt: 5\n",
"Choose quantity of mug: 5\n",
"Choose quantity of hat: 5\n",
"Choose quantity of book: 5\n",
"Choose quantity of keychain: 5\n",
"Enter the name of a product that the customer wants to order: mug\n",
"Do you want to add another product? (yes/no): yes\n",
"Enter the name of a product that the customer wants to order: hat\n",
"Do you want to add another product? (yes/no): no\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Order Statistics:\n",
"Total Products Ordered: 2\n",
"Percentage of Products Ordered: 40.0%\n",
"Updated Inventory:\n",
"t-shirt: 5\n",
"mug: 4\n",
"hat: 4\n",
"book: 5\n",
"keychain: 5\n"
]
}
],
"source": [
"inventory = initialize_inventory(products)\n",
"customer_orders = get_customer_orders(products)\n",
"updated_inventory = update_inventory(customer_orders, inventory)\n",
"order_statistics = calculate_order_statistics(customer_orders, products)\n",
"print_order_statistics(order_statistics)\n",
"print_updated_inventory(updated_inventory)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "15ccfe7f-1523-4128-b189-ce63f7b8950f",
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
Expand All @@ -66,7 +196,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.12.7"
}
},
"nbformat": 4,
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