diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..062a406 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,11 +43,107 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "a6d16247",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "List of inventory:  {'t-shirt': 45, 'mug': 56, 'hat': 76, 'book': 34, 'keychain': 90}\n"
+     ]
+    }
+   ],
+   "source": [
+    "#1. Define a function named `initialize_inventory` that takes `products` as a parameter. \n",
+    "# Inside the function, implement the code for initializing the inventory dictionary using a loop and user input.\n",
+    "\n",
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\n",
+    "\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "    for product in products:\n",
+    "        quantity = int(input(f\"Enter the quantity for {product}: \"))\n",
+    "        inventory[product] = quantity\n",
+    "    return inventory\n",
+    "\n",
+    "inventory = initialize_inventory(products)\n",
+    "print(\"List of inventory: \", inventory)\n",
+    "\n",
+    "#2. Define a function named `get_customer_orders` that takes no parameters. \n",
+    "# Inside the function, implement the code for prompting the user to enter the product names using a loop. \n",
+    "# The function should return the `customer_orders` set.\n",
+    "\n",
+    "def get_customer_orders():\n",
+    "    customer_orders = set()\n",
+    "    while True:\n",
+    "        order = input(\"Enter a product name to order: \")\n",
+    "        if order in products:\n",
+    "            customer_orders.add(order)\n",
+    "            print(f\"{order} added to your order.\")\n",
+    "\n",
+    "        else:\n",
+    "            print(\"Product not available.\")\n",
+    "\n",
+    "        user_input = input(\"Do you want to add another product? (yes/no): \")\n",
+    "        if user_input != \"yes\":\n",
+    "            print(\"Order completed.\")   \n",
+    "            break\n",
+    "    return customer_orders\n",
+    "    \n",
+    "\n",
+    "#3. Define a function named `update_inventory` that takes `customer_orders` and `inventory` as parameters. \n",
+    "# Inside the function, implement the code for updating the inventory dictionary based on the customer orders.\n",
+    "\n",
+    "\n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    for product in customer_orders:\n",
+    "        inventory[product] -= 1\n",
+    "    return inventory    \n",
+    "\n",
+    "\n",
+    "#4. Define a function named `calculate_order_statistics` that takes `customer_orders` and `products` as parameters. \n",
+    "# Inside the function, implement the code for calculating the order statistics (total products ordered, and percentage of unique products ordered). The function should return these values.\n",
+    "\n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    total_products_ordered = len(customer_orders)\n",
+    "    percentage_of_products_ordered = (total_products_ordered / len(products)) * 100\n",
+    "    return total_products_ordered, percentage_of_products_ordered\n",
+    "\n",
+    "\n",
+    "#5. Define a function named `print_order_statistics` that takes `order_statistics` as a parameter. \n",
+    "# Inside the function, implement the code for printing the order statistics.\n",
+    "\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    total_products_ordered, percentage_of_products_ordered = order_statistics\n",
+    "    print(\"Total Products Ordered:\", total_products_ordered)\n",
+    "    print(f\"Percentage of Products Ordered: {percentage_of_products_ordered}%\")\n",
+    "\n",
+    "#6. Define a function named `print_updated_inventory` that takes `inventory` as a parameter. \n",
+    "# Inside the function, implement the code for printing the updated inventory.\n",
+    "\n",
+    "def print_updated_inventory(inventory):\n",
+    "    for product, quantity in inventory.items():\n",
+    "        print(f\"Updated quantity for {product}: {quantity}\")\n",
+    "\n",
+    "#7. Call the functions in the appropriate sequence to execute the program and manage customer orders.\n",
+    "\n",
+    "customer_orders = get_customer_orders()\n",
+    "order_statistics = calculate_order_statistics(customer_orders, products)\n",
+    "print_order_statistics(order_statistics)\n",
+    "inventory = update_inventory(customer_orders, inventory)\n",
+    "print_updated_inventory(inventory)"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -61,7 +157,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.9"
   }
  },
  "nbformat": 4,