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Valeria Solved Lab #236

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208 changes: 207 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 +72,212 @@
"\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": 25,
"id": "443eddf4",
"metadata": {},
"outputs": [],
"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\"Indicate the quantity of {product}s available: \"))\n",
" if quantity >= 0:\n",
" inventory[product] = quantity\n",
" valid_input = True\n",
" else:\n",
" print(f\"Invalid quantity of {product}s! Please enter a non-negative value.\")\n",
" except ValueError:\n",
" print(\"Invalid input! Please use only numbers to indicate the quantity of products.\")\n",
" print(\"INITIAL INVENTORY\\n\")\n",
" for product, amount in inventory.items():\n",
" print(f\"Product: {product} - Amount: {amount}\")\n",
" return inventory"
]
},
{
"cell_type": "code",
"execution_count": 34,
"id": "281692b9",
"metadata": {},
"outputs": [],
"source": [
"def get_customer_orders(inventory):\n",
" customer_orders = set()\n",
" valid_input = False\n",
" while valid_input == False:\n",
" try:\n",
" amount_ordered = int(input(\"Enter the number of customer orders:\"))\n",
" if amount_ordered > 0:\n",
" valid_input = True\n",
" else:\n",
" print(\"Please, enter a whole, positive number.\")\n",
" except ValueError:\n",
" print(\"Please, use only whole numbers to enter the number of customer orders.\")\n",
" \n",
" for i in range(1,amount_ordered+1):\n",
" valid_input = False\n",
" while valid_input == False:\n",
" try:\n",
" order = input(\"Input a product the costumer want to order:\").lower().strip()\n",
" if order in inventory.keys() and inventory[order]>0:\n",
" customer_orders.add(order)\n",
" valid_input=True\n",
" else:\n",
" print(f\"The product you're trying to order ({order}) isn't available or is out of stock. Please try with another product from: {list(inventory.keys())})\")\n",
" except Exception as e:\n",
" print(f\"An error has ocurred. Error: {e}\")\n",
"\n",
" print(\"\\nOrder complete!\\n\")\n",
" for product in customer_orders:\n",
" print(f\"Product ordered: {product}\") \n",
" return(customer_orders)\n",
"\n",
"\n",
"\n"
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "b14f124d",
"metadata": {},
"outputs": [],
"source": [
"def update_inventory(customer_orders, inventory):\n",
" updated_inventory = {product:inventory[product]-1 if product in customer_orders else inventory[product] for product in inventory}\n",
" cleaned_inventory = {product: quantity for product, quantity in updated_inventory.items() if quantity > 0}\n",
" return cleaned_inventory"
]
},
{
"cell_type": "code",
"execution_count": 4,
"id": "517a0182",
"metadata": {},
"outputs": [],
"source": [
"def calculate_order_statistics(customer_orders, products):\n",
" order_status = []\n",
" amount_ordered = len(customer_orders)\n",
" amount_inventory = sum(inventory.values())\n",
"\n",
" if amount_inventory > 0:\n",
" percentage_ordered = (amount_ordered * 100) / amount_inventory\n",
" else:\n",
" percentage_ordered = 0\n",
"\n",
" order_status.append(amount_ordered)\n",
" order_status.append(percentage_ordered)\n",
" \n",
" return order_status"
]
},
{
"cell_type": "code",
"execution_count": 5,
"id": "936b4d6c",
"metadata": {},
"outputs": [],
"source": [
"def print_order_statistics(order_status):\n",
" amount_ordered = order_status[0]\n",
" percentage_ordered = order_status[1]\n",
" print(f\"\\nOrder Statistics:\\nTotal Products Ordered: {amount_ordered}\\nPercentage of Products Ordered: {percentage_ordered}%\")"
]
},
{
"cell_type": "code",
"execution_count": 6,
"id": "f62f156b",
"metadata": {},
"outputs": [],
"source": [
"def print_updated_inventory(inventory):\n",
" print(\"\\nUPDATED INVENTORY\\n\")\n",
" [print(f\"Product: {product} - Amount: {amount}\") for product, amount in inventory.items()]"
]
},
{
"cell_type": "code",
"execution_count": 33,
"id": "8ccb5604",
"metadata": {},
"outputs": [],
"source": [
"def calculate_total_price(customer_orders):\n",
" total_price = 0\n",
" for product in customer_orders:\n",
" valid_input = False\n",
" while not valid_input:\n",
" try:\n",
" price = float(input(f\"Please, enter the price of {product}\"))\n",
" if price >= 0:\n",
" total_price += price\n",
" valid_input = True\n",
" else:\n",
" print(f\"Invalid price of {product}. Please, enter a non-negative value.\")\n",
" except ValueError:\n",
" print(\"Invalid input! Please, use only numbers and dots to indicate the price of the product.\")\n",
" print(f\"\\nTotal Price: {total_price}€\")\n",
" return total_price"
]
},
{
"cell_type": "code",
"execution_count": 35,
"id": "eb92fe4e",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"INITIAL INVENTORY\n",
"\n",
"Product: t-shirt - Amount: 5\n",
"Product: mug - Amount: 4\n",
"Product: hat - Amount: 0\n",
"Product: book - Amount: 2\n",
"Product: keychain - Amount: 4\n",
"The product you're trying to order (hat) isn't available or is out of stock. Please try with another product from: ['t-shirt', 'mug', 'hat', 'book', 'keychain'])\n",
"\n",
"Order complete!\n",
"\n",
"Product ordered: book\n",
"Product ordered: keychain\n",
"\n",
"Total Price: 12.5€\n",
"\n",
"Order Statistics:\n",
"Total Products Ordered: 2\n",
"Percentage of Products Ordered: 13.333333333333334%\n",
"\n",
"UPDATED INVENTORY\n",
"\n",
"Product: t-shirt - Amount: 5\n",
"Product: mug - Amount: 4\n",
"Product: book - Amount: 1\n",
"Product: keychain - Amount: 3\n"
]
}
],
"source": [
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
"\n",
"inventory = initialize_inventory(products)\n",
"customer_orders = get_customer_orders(inventory)\n",
"order_status = calculate_order_statistics(customer_orders, products)\n",
"total_price = calculate_total_price(customer_orders)\n",
"inventory = update_inventory(customer_orders,inventory)\n",
"print_order_statistics(order_status)\n",
"print_updated_inventory(inventory)"
]
}
],
"metadata": {
Expand All @@ -90,7 +296,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.12.6"
}
},
"nbformat": 4,
Expand Down