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Solved lab error handling #427

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294 changes: 293 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 +72,298 @@
"\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": "d21413ba-093e-442e-999d-404ab4c9377b",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"['t-shirt', 'mug', 'hat', 'book', 'keychain']"
]
},
"execution_count": 1,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
"\n",
"products"
]
},
{
"cell_type": "code",
"execution_count": 22,
"id": "7a83244d-b387-40e7-8e35-a78fb539ce81",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the quantity of t-shirts available: \n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Invalid input. Please enter a valid quantity.\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the quantity of t-shirts available: 100\n",
"Enter the quantity of mugs available: 100\n",
"Enter the quantity of hats available: 100\n",
"Enter the quantity of books available: 100\n",
"Enter the quantity of keychains available: 100\n"
]
}
],
"source": [
"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}s 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",
"inventory = initialize_inventory(products)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "9b25435a-381c-46cf-b500-e137e3b09aba",
"metadata": {},
"outputs": [],
"source": [
"print(inventory)"
]
},
{
"cell_type": "code",
"execution_count": 47,
"id": "57715420-cab7-49b8-9ce9-9bd086edf6a5",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Insert how many products do you want to order: 2\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Order 1:\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the name of the product to order: mug\n",
"Enter the quantity of mug: 20\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Order 2:\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the name of the product to order: hat\n",
"Enter the quantity of hat: 50\n"
]
}
],
"source": [
"def get_customer_orders(inventory):\n",
" customer_orders = {}\n",
" while True:\n",
" try:\n",
" order_count = int(input(\"Insert how many products do you want to order: \"))\n",
" if order_count <= 0:\n",
" print(\"Please enter a positive number.\")\n",
" else:\n",
" break\n",
" except ValueError:\n",
" print(\"Invalid input. Please enter a numeric value.\")\n",
"\n",
" for i in range(order_count):\n",
" print(f\"Order {i + 1}:\")\n",
" while True:\n",
" product = input(\"Enter the name of the product to order: \")\n",
" if product not in inventory:\n",
" print(\"Invalid product name.\")\n",
" elif inventory[product] <= 0:\n",
" print(\"Sorry, this product is out of stock.\")\n",
" else:\n",
" break\n",
"\n",
" while True:\n",
" try:\n",
" quantity = int(input(f\"Enter the quantity of {product}: \"))\n",
" if quantity < 0:\n",
" print(\"Quantity cannot be negative.\")\n",
" elif quantity > inventory[product]:\n",
" print(\"Insufficient stock.\")\n",
" else:\n",
" customer_orders[product] = quantity\n",
" break\n",
" except ValueError:\n",
" print(\"Invald input.\")\n",
"\n",
" return customer_orders\n",
"\n",
"\n",
"customer_orders = get_customer_orders(inventory)"
]
},
{
"cell_type": "code",
"execution_count": 49,
"id": "fc3c3901-205f-4354-aab5-a0f7b2e6c2e3",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Insert the price of mug: 6\n",
"Insert the price of hat: 10\n"
]
}
],
"source": [
"def calculate_total_price(customer_orders):\n",
" total_price = {}\n",
" for product, quantity in customer_orders.items():\n",
" valid_input = False\n",
" while not valid_input:\n",
" try:\n",
" price = int(input(f\"Insert the price of {product}: \"))\n",
" if price >= 0:\n",
" total_price[product] = price\n",
" valid_input = True\n",
" else:\n",
" print(\"Price cannot be negative. Please enter a valid price.\")\n",
" except ValueError:\n",
" print(\"Invalid input. Please enter a valid price.\")\n",
" return total_price\n",
"\n",
"total_price = calculate_total_price(customer_orders)"
]
},
{
"cell_type": "code",
"execution_count": 50,
"id": "099315b7-5e02-4e98-b9b5-959f583c9669",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The total of price of the customer order is: 16\n"
]
}
],
"source": [
"def total_price_customer_order(total_price):\n",
" print(f\"The total of price of the customer order is: {sum(total_price.values())}\")\n",
"\n",
"total_price_customer_order(total_price)"
]
},
{
"cell_type": "code",
"execution_count": 51,
"id": "2210754c-d73d-4df2-8f8a-258fbf00c946",
"metadata": {},
"outputs": [],
"source": [
"def calculate_order_statistics(customer_orders, products):\n",
" sum_order_prod = sum(qty for _, qty in customer_orders)\n",
" sum_invent_prod = sum(inventory.values())\n",
" print(f\"Total of products ordered: {sum_order_prod}\")\n",
" percentage = (sum_order_prod / sum_invent_prod) * 100\n",
" print(f\"Percentage of products ordered: {percentage:.2f}%\")\n",
" return (sum_order_prod, percentage)\n"
]
},
{
"cell_type": "code",
"execution_count": 52,
"id": "202bebf8-99f9-4017-b25b-9ebb7045691e",
"metadata": {},
"outputs": [],
"source": [
"def print_order_statistics(order_statistics):\n",
" sum_order_prod, percentage = order_statistics\n",
" print({sum_order_prod} , {percentage})"
]
},
{
"cell_type": "code",
"execution_count": 54,
"id": "f97fd70c-3716-44cb-89af-d2fa560b961d",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'t-shirt': 100, 'mug': 80, 'hat': 50, 'book': 100, 'keychain': 100}\n"
]
}
],
"source": [
"def update_inventory(customer_orders, inventory):\n",
" for product, quantity_order in customer_orders.items():\n",
" if product in inventory:\n",
" inventory[product] -= quantity_order\n",
" if inventory[product] < 0:\n",
" inventory[product] = 0\n",
"\n",
" return inventory\n",
"\n",
"inventory = update_inventory(customer_orders, inventory)\n",
"print(inventory)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "ecf19b90-6838-43f2-9f63-0a919f5459d1",
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
Expand All @@ -90,7 +382,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.12.7"
}
},
"nbformat": 4,
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