diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..761933e 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,13 +37,137 @@
     "\n",
     "3. Instead of updating the inventory by subtracting 1 from the quantity of each product, only do it for  the products that were ordered (those in \"customer_orders\")."
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "c3774736-027e-4e27-93e5-8edb7f190286",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Enter the quantity available for each product:\n"
+     ]
+    },
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "t-shirt:  5\n",
+      "mug:  5\n",
+      "hat:  5\n",
+      "book:  5\n",
+      "keychain:  20\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "Available products: ['t-shirt', 'mug', 'hat', 'book', 'keychain']\n"
+     ]
+    },
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter a product to order:  mug\n",
+      "Do you want to add another product? (yes/no):  no\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "Products ordered by the customer:\n",
+      "mug\n",
+      "\n",
+      "Order Statistics:\n",
+      "Total Products Ordered: 1\n",
+      "Percentage of Products Ordered: 20.00%\n",
+      "\n",
+      "Updated Inventory:\n",
+      "t-shirt: 5\n",
+      "mug: 4\n",
+      "hat: 5\n",
+      "book: 5\n",
+      "keychain: 20\n"
+     ]
+    }
+   ],
+   "source": [
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "inventory = {}\n",
+    "\n",
+    "#1 ask the user for items\n",
+    "print(\"Enter the quantity available for each product:\")\n",
+    "for product in products:\n",
+    "    quantity = int(input(f\"{product}: \"))\n",
+    "    inventory[product] = quantity\n",
+    "\n",
+    "#2 customer orders (loop)\n",
+    "customer_orders = set()\n",
+    "\n",
+    "print(\"\\nAvailable products:\", products)\n",
+    "\n",
+    "while True:\n",
+    "    product_choice = input(\"Enter a product to order: \").lower()\n",
+    "\n",
+    "    if product_choice in products:\n",
+    "        customer_orders.add(product_choice)\n",
+    "    else:\n",
+    "        print(\"Invalid product, please choose from the list.\")\n",
+    "\n",
+    "    another = input(\"Do you want to add another product? (yes/no): \").lower()\n",
+    "    if another != \"yes\":\n",
+    "        break\n",
+    "\n",
+    "#3 products ordered\n",
+    "print(\"\\nProducts ordered by the customer:\")\n",
+    "for order in customer_orders:\n",
+    "    print(order)\n",
+    "\n",
+    "#4 calculate order statistics\n",
+    "total_products_ordered = len(customer_orders)   \n",
+    "total_products_available = len(products)        \n",
+    "percentage_ordered = (total_products_ordered / total_products_available) * 100\n",
+    "\n",
+    "# store tuple\n",
+    "order_status = (total_products_ordered, percentage_ordered)\n",
+    "\n",
+    "#5 print results\n",
+    "print(\"\\nOrder Statistics:\")\n",
+    "print(f\"Total Products Ordered: {order_status[0]}\")\n",
+    "print(f\"Percentage of Products Ordered: {order_status[1]:.2f}%\")\n",
+    "\n",
+    "#6 update inventory only for ordered products\n",
+    "for product in customer_orders:\n",
+    "    inventory[product] -= 1\n",
+    "\n",
+    "#7 updated inventory\n",
+    "print(\"\\nUpdated Inventory:\")\n",
+    "for product in inventory:\n",
+    "    print(f\"{product}: {inventory[product]}\")\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "837b27b5-1fa2-4958-acdb-228bb5ed80d0",
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python [conda env:base] *",
    "language": "python",
-   "name": "python3"
+   "name": "conda-base-py"
   },
   "language_info": {
    "codemirror_mode": {
@@ -55,7 +179,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.5"
   }
  },
  "nbformat": 4,