diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..05f945a 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,11 +43,133 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 27,
+   "id": "3ef0ad65",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# My code here\n",
+    "# 1.\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "\n",
+    "    for product in products:\n",
+    "        quantity = int(input(f\"How many {product} ?\"))\n",
+    "        inventory[product] = quantity\n",
+    "    return inventory"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "662dd6ae",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# 2.\n",
+    "def get_customer_orders():\n",
+    "    customer_orders = set()\n",
+    "    another_order = \"yes\"\n",
+    "\n",
+    "    while another_order == \"yes\":\n",
+    "        product_name = input(\"Enter a product name: \")\n",
+    "        customer_orders.add(product_name)\n",
+    "        another_order = input(\"Do you want another product? (yes/no): \")\n",
+    "\n",
+    "    return customer_orders"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 29,
+   "id": "a6b8d9e4",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# 3.\n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    for product in customer_orders:\n",
+    "        inventory[product] -= 1"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 30,
+   "id": "a0a325fb",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# 4.\n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    total_products_ordered = len(customer_orders)  # Total of customer orders\n",
+    "    percentage = (len(customer_orders) / len(products)) * 100\n",
+    "    return total_products_ordered, percentage"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 31,
+   "id": "4f72136a",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# 5.\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    print(f\"Total products ordered: {order_statistics[0]}\")\n",
+    "    print(f\"Percentage products ordered: {order_statistics[1]}\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 32,
+   "id": "306493f1",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# 6.\n",
+    "def print_updated_inventory(inventory):\n",
+    "    for product, quantity in inventory.items():\n",
+    "        print(f\"{product}: {quantity}\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 33,
+   "id": "b9931681",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Total products ordered: 2\n",
+      "Percentage products ordered: 40.0\n",
+      "t-shirt: 481\n",
+      "mug: 43\n",
+      "hat: 32\n",
+      "book: 11\n",
+      "keychain: 3\n"
+     ]
+    }
+   ],
+   "source": [
+    "# 7.\n",
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "inventory = initialize_inventory(products)\n",
+    "customer_orders = get_customer_orders()\n",
+    "update_inventory(customer_orders, inventory)\n",
+    "order_statistics = calculate_order_statistics(customer_orders, products)\n",
+    "print_order_statistics(order_statistics)\n",
+    "print_updated_inventory(inventory)"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -61,7 +183,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.14.6"
   }
  },
  "nbformat": 4,