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Solved Lab #620

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Solved Lab
Nov 20, 2025
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345 changes: 342 additions & 3 deletions lab-python-data-structures.ipynb
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Expand Up @@ -50,13 +50,352 @@
"\n",
"Solve the exercise by implementing the steps using the Python concepts of lists, dictionaries, sets, and basic input/output operations. "
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": [
"# 1. \n",
"\n",
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [],
"source": [
"# 2. \n",
"\n",
"inventory = {}"
]
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Enter the quantity available for each product:\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Quantity of t-shirt: 5\n",
"Quantity of mug: 4\n",
"Quantity of hat: 7\n",
"Quantity of book: 8\n",
"Quantity of keychain: 9\n"
]
}
],
"source": [
"# 3. \n",
"\n",
"print(\"Enter the quantity available for each product:\")\n",
"for product in products:\n",
"\n",
" quantity = input(f\"Quantity of {product}: \")\n",
"\n",
" # Repeat until the user enters a valid number\n",
" while not quantity.isdigit():\n",
" print(\"Please enter a valid number.\")\n",
" quantity = input(f\"Quantity of {product}: \")\n",
"\n",
" inventory[product] = int(quantity)"
]
},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {},
"outputs": [],
"source": [
"# 4.\n",
"\n",
"customer_orders = set()"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the name of a product: hat\n",
"Enter the name of a product: book\n",
"Enter the name of a product: mug\n"
]
}
],
"source": [
"# 5.\n",
"\n",
"print(\"\\nEnter three products that the customer wants to order:\")\n",
"for i in range(3):\n",
" order = input(f\"Enter product {i+1}: \").lower()\n",
"\n",
" # Validate input: must exist in products list\n",
" while order not in products:\n",
" print(\"Invalid product. Please enter a valid product from the list.\")\n",
" order = input(f\"Enter product {i+1}: \").lower()\n",
"\n",
" customer_orders.add(order)\n"
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"Customer has ordered these products:\n",
"- hat\n",
"- book\n",
"- mug\n"
]
}
],
"source": [
"# 6.\n",
"\n",
"print(\"\\nCustomer has ordered these products:\")\n",
"for item in customer_orders:\n",
" print(\"-\", item)"
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {},
"outputs": [],
"source": [
"# 7.\n",
"\n",
"total_products_ordered = len(customer_orders)\n",
"percentage_ordered = (total_products_ordered / len(products)) * 100 "
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"# 8.\n",
"\n",
"order_status = (total_products_ordered, percentage_ordered)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"# 9.\n",
"\n",
"print(\"\\nOrder Statistics:\")\n",
"print(f\"Total Products Ordered: {order_status[0]}\")\n",
"print(f\"Percentage of Products Ordered: {order_status[1]:.2f}%\")"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"Updated Inventory:\n",
"t-shirt: 5\n",
"mug: 3\n",
"hat: 6\n",
"book: 7\n",
"keychain: 9\n"
]
}
],
"source": [
"# 10.\n",
"\n",
"for item in customer_orders:\n",
" inventory[item] -= 1\n",
"\n",
"print(\"\\nUpdated Inventory:\")\n",
"for product, qty in inventory.items():\n",
" print(f\"{product}: {qty}\")\n",
"\n"
]
},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Enter the quantity available for each product:\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Quantity of t-shirt: 3\n",
"Quantity of mug: 5\n",
"Quantity of hat: 7\n",
"Quantity of book: 8\n",
"Quantity of keychain: 9\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"Enter three products that the customer wants to order:\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter product 1: haty\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Invalid product. Please enter a valid product from the list.\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter product 1: hat\n",
"Enter product 2: book\n",
"Enter product 3: mug\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"Customer has ordered these products:\n",
"- hat\n",
"- book\n",
"- mug\n",
"\n",
"Order Statistics:\n",
"Total Products Ordered: 3\n",
"Percentage of Products Ordered: 60.00%\n",
"\n",
"Updated Inventory:\n",
"t-shirt: 3\n",
"mug: 4\n",
"hat: 6\n",
"book: 7\n",
"keychain: 9\n"
]
}
],
"source": [
"# 1. Define a list of products\n",
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
"\n",
"# 2. Create an empty dictionary for inventory\n",
"inventory = {}\n",
"\n",
"# 3. Ask the user for quantity of each product\n",
"print(\"Enter the quantity available for each product:\")\n",
"for product in products:\n",
"\n",
" quantity = input(f\"Quantity of {product}: \")\n",
"\n",
" # Repeat until the user enters a valid number\n",
" while not quantity.isdigit():\n",
" print(\"Please enter a valid number.\")\n",
" quantity = input(f\"Quantity of {product}: \")\n",
"\n",
" inventory[product] = int(quantity)\n",
"# 4. Create an empty set for customer orders\n",
"customer_orders = set()\n",
"\n",
"# 5. Ask the user for 3 product orders\n",
"print(\"\\nEnter three products that the customer wants to order:\")\n",
"for i in range(3):\n",
" order = input(f\"Enter product {i+1}: \").lower()\n",
"\n",
" # Validate input: must exist in products list\n",
" while order not in products:\n",
" print(\"Invalid product. Please enter a valid product from the list.\")\n",
" order = input(f\"Enter product {i+1}: \").lower()\n",
"\n",
" customer_orders.add(order)\n",
"\n",
"# 6. Print the products ordered\n",
"print(\"\\nCustomer has ordered these products:\")\n",
"for item in customer_orders:\n",
" print(\"-\", item)\n",
"\n",
"# 7. Calculate statistics\n",
"total_products_ordered = len(customer_orders)\n",
"percentage_ordered = (total_products_ordered / len(products)) * 100\n",
"\n",
"# 8. Store statistics in a tuple\n",
"order_status = (total_products_ordered, percentage_ordered)\n",
"\n",
"# 9. Print order statistics\n",
"print(\"\\nOrder Statistics:\")\n",
"print(f\"Total Products Ordered: {order_status[0]}\")\n",
"print(f\"Percentage of Products Ordered: {order_status[1]:.2f}%\")\n",
"\n",
"# 10. Update inventory: subtract 1 from ordered products and print\n",
"for item in customer_orders:\n",
" inventory[item] -= 1\n",
"\n",
"print(\"\\nUpdated Inventory:\")\n",
"for product, qty in inventory.items():\n",
" print(f\"{product}: {qty}\")"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "Python [conda env:base] *",
"language": "python",
"name": "python3"
"name": "conda-base-py"
},
"language_info": {
"codemirror_mode": {
Expand All @@ -68,7 +407,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.13.5"
}
},
"nbformat": 4,
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