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112 changes: 110 additions & 2 deletions lab-python-list-comprehension.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@
"\n",
" ```\n",
"<br>\n",
"\n",
" \n",
" \n",
"2. Modify the function get_customer_orders so it prompts the user to enter the number of customer orders and gathers the product names using a loop and user input. Use comprehension.\n",
Expand Down Expand Up @@ -75,11 +76,118 @@
"\n",
"```\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "2effb007",
"metadata": {},
"outputs": [],
"source": [
"#1. Review your code from the previous exercise and identify areas where you can apply comprehension to simplify and streamline your code. \n",
"\n",
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
"\n",
"def initialize_inventory(products):\n",
" return {product: int(input(f\"Enter the quantity for {product}: \")) for product in products}\n",
"\n",
"print(initialize_inventory(products))\n",
"\n",
"def get_customer_orders(products):\n",
" orders = set()\n",
" while input(\"Do you want to order a product? (yes/no): \").lower() == \"yes\":\n",
" item = input(\"Enter the product name: \").lower()\n",
" print(f\"{item} added to the order.\") if item in products and not orders.add(item) else print(f\"Product '{item}' is not available.\")\n",
" return orders\n",
"\n",
"\n",
"\n",
"def update_inventory(customer_orders, inventory):\n",
" for item in customer_orders:\n",
" inventory[item] = inventory[item] - 1\n",
" return inventory\n",
"inventory = update_inventory(customer_orders, inventory)\n",
"print(inventory)\n",
"\n",
"def print_updated_inventory(inventory):\n",
" print(\"\\nUpdated Inventory:\")\n",
" for product in inventory:\n",
" print(product + \": \" + str(inventory[product]))\n",
"\n",
"\n",
"\n",
"#2. Modify the function get_customer_orders so it prompts the user to enter the number of customer orders and gathers the product names using a loop and user input. Use comprehension.\n",
"#3. Add a new function to calculate the total price of the customer order. For each product in customer_orders, prompt the user to enter the price of that product. Use comprehension to calculate the total price. Note: assume that the user can only have 1 unit of each product.\n",
"#4. Modify the update_inventory function to remove the product from the inventory if its quantity becomes zero after fulfilling the customer orders. Use comprehension to filter out the products with a quantity of zero from the inventory.\n",
"\n",
"5. Print the total price of the customer order.\n",
"\n",
"\n",
"\n",
"\n"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "ad3a7286",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Inventario: {'t-shirt': 1, 'mug': 1, 'hat': 1, 'book': 1, 'keychain': 1}\n",
"Number of orders: 2\n",
"Customer Orders: {'hat', 'mug'}\n",
"Updated Inventory: {'t-shirt': 1, 'book': 1, 'keychain': 1}\n",
"Total Price: 7.0 EUR\n"
]
}
],
"source": [
"#1. Review your code from the previous exercise and identify areas where you can apply comprehension to simplify and streamline your code.\n",
"#*Hint: Apply it to initialize inventory, updating the inventory and printing the updated inventory.*\n",
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
"def initialize_inventory(products):\n",
" inventory = {product: int(input(f\"Enter the quantity of {product}s available: \")) for product in products}\n",
" return inventory\n",
"inventory = initialize_inventory(products)\n",
"print(\"Inventario: \", inventory)\n",
"#2. Modify the function get_customer_orders\n",
"#it prompts the user to enter the number of customer orders and gathers the product names using a loop and user input. Use comprehension.\n",
"def get_customer_orders():\n",
" quantity_of_orders = int(input(\"Enter the number of customer orders:\"))\n",
" print(\"Number of orders: \", quantity_of_orders)\n",
" customer_orders = [input(\"Enter a product to order (t-shirt, mug, hat, book, keychain):\").strip().lower() for x in range(quantity_of_orders)]\n",
" customer_orders = {order for order in customer_orders if order in products}\n",
" return customer_orders\n",
"customer_orders = get_customer_orders()\n",
"print(\"Customer Orders: \", customer_orders)\n",
"#3. Add a new function to calculate the total price of the customer order.\n",
"# For each product in customer_orders, prompt the user to enter the price of that product. Use comprehension to calculate the total price.\n",
"#Note: assume that the user can only have 1 unit of each product.\n",
"def calculate_total_price(customer_orders):\n",
" total_price = sum(float(input(f\"Enter the price for {order}: \")) for order in customer_orders)\n",
" return total_price\n",
"#4. Modify the update_inventory function to remove the product from the inventory if its quantity becomes zero after fulfilling the customer orders.\n",
"# Use comprehension to filter out the products with a quantity of zero from the inventory.\n",
"def update_inventory(customer_orders, inventory):\n",
" return {\n",
" key: value - 1 if key in customer_orders else value\n",
" for key, value in inventory.items()\n",
" if (value - 1 if key in customer_orders else value) > 0\n",
" }\n",
"inventory = update_inventory(customer_orders, inventory)\n",
"print(\"Updated Inventory: \", inventory)\n",
"#5. Print the total price of the customer order.\n",
"print(\"Total Price: \", calculate_total_price(customer_orders),\"EUR\")"
]
}
],
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"display_name": "Python 3 (ipykernel)",
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
Expand All @@ -93,7 +201,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
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