Marlene Alcobendas - LAB 4 resolution

lab-python-list-comprehension.ipynb

@@ -75,11 +75,85 @@
     "\n",
     "```\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "fb03d486",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Inventario:  {'t-shirt': 1, 'mug': 1, 'hat': 1, 'book': 1, 'keychain': 1}\n",
+      "Number of orders:  1\n",
+      "Customer Orders:  {'hat'}\n",
+      "Updated Inventory:  {'t-shirt': 1, 'mug': 1, 'book': 1, 'keychain': 1}\n",
+      "Total Price:  5.0 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",
+    "\n",
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\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",
+    "\n",
+    "inventory = initialize_inventory(products)\n",
+    "print(\"Inventario: \", inventory)\n",
+    "\n",
+    "\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",
+    "\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",
+    "\n",
+    "customer_orders = get_customer_orders()\n",
+    "print(\"Customer Orders: \", customer_orders)\n",
+    "\n",
+    "\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",
+    "\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",
+    "\n",
+    "\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",
+    "\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",
+    "\n",
+    "inventory = update_inventory(customer_orders, inventory)\n",
+    "print(\"Updated Inventory: \", inventory)\n",
+    "\n",
+    "\n",
+    "#5. Print the total price of the customer order.\n",
+    "\n",
+    "print(\"Total Price: \", calculate_total_price(customer_orders),\"EUR\")"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -93,7 +167,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.12.9"
   }
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  "nbformat": 4,