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Add inventory management and customer order processing #551

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190 changes: 188 additions & 2 deletions lab-python-data-structures.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -50,11 +50,197 @@
"\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": 4,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"['t-shirt', 'mug', 'hat', 'book', 'keychain']\n"
]
}
],
"source": [
"# 1. Define a list called `products` \n",
"# that contains the following items: \"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\".\n",
"\n",
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
"print(products)"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{}\n"
]
}
],
"source": [
"# 2. Create an empty dictionary for inventory:\n",
"\n",
"inventory = {}\n",
"print(inventory)"
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'t-shirt': 3, 'mug': 5, 'hat': 6, 'book': 7, 'keychain': 8}\n"
]
}
],
"source": [
"# 3. Input quantities for each product: Use a loop to ask the user for the quantity of each product \n",
"# and store it in the dictionary. Remember, user input is a string, so convert it to an integer: \n",
"\n",
"for product in products:\n",
" quantity = int(input(f\"Enter the quantity for {product}: \"))\n",
" inventory[product] = quantity\n",
"\n",
"print(inventory)"
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"set()\n"
]
}
],
"source": [
"# 4. Create an empty set for customer orders:\n",
"\n",
"customer_orders = set()\n",
"\n",
"print(customer_orders)"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Products in customer orders: {'hat', 'mug', 'book'}\n"
]
}
],
"source": [
"# 5. Input customer orders: Ask the user for three products and add them to the set. \n",
"# You might want to ensure the user inputs valid product names:\n",
"# 6. Print customer orders\n",
"\n",
"for _ in range(3):\n",
" product = input(\"Enter a product to order: \")\n",
" if product in products:\n",
" customer_orders.add(product)\n",
" else:\n",
" print(\"Invalid product. Please choose from the list.\")\n",
"\n",
"print(\"Products in customer orders:\", customer_orders)"
]
},
{
"cell_type": "code",
"execution_count": 16,
"metadata": {},
"outputs": [],
"source": [
"# 7. Calculate order statistics:\n",
"# Total Products Ordered is simply the length of the customer_orders set.\n",
"# Percentage of Products Ordered is the total ordered divided by the total products, times 100.\n",
"\n",
"total_products_ordered = len(customer_orders)\n",
"percentage_ordered = (total_products_ordered / len(products)) * 100\n",
"order_status = (total_products_ordered, percentage_ordered)"
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Order Statistics:\n",
"Total Products Ordered: 3\n",
"Percentage of Products Ordered: 60.00%\n"
]
}
],
"source": [
"#8. Print the stats\n",
"\n",
"print(\"Order 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": 18,
"metadata": {},
"outputs": [],
"source": [
"#9. Update inventory: Subtract 1 from the quantity of each ordered product:\n",
"\n",
"for product in customer_orders:\n",
" if inventory[product] > 0:\n",
" inventory[product] -= 1\n"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Updated Inventory:\n"
]
}
],
"source": [
"# 10. Print the updated inventory:\n",
"\n",
"print(\"Updated Inventory:\")\n",
"for product, quantity in inventory.items():\n",
" print(f\"{product}: {quantity}\") "
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "base",
"language": "python",
"name": "python3"
},
Expand All @@ -68,7 +254,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.13.5"
}
},
"nbformat": 4,
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