diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..0f248ab 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,11 +37,77 @@
     "\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": null,
+   "id": "9656f70f",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "\n",
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\n",
+    "inventory = {}\n",
+    "print(\"Enter initial inventory quantities:\")\n",
+    "for p in products:\n",
+    "    while True:\n",
+    "        try:\n",
+    "            qty = int(input(f\"Enter the quantity of {p}: \"))\n",
+    "            if qty < 0:\n",
+    "                print(\"Please enter a non-negative number.\")\n",
+    "                continue\n",
+    "            inventory[p] = qty\n",
+    "            break\n",
+    "        except ValueError:\n",
+    "            print(\"Please enter a valid integer.\")\n",
+    "\n",
+    "print(\"\\nInventory created:\", inventory)\n",
+    "\n",
+    "customer_orders = set()\n",
+    "print(\"\\nAvailable products:\", products)\n",
+    "\n",
+    "while True:\n",
+    "    item = input(\"\\nEnter a product to add to the order: \").strip().lower()\n",
+    "    if item in products:\n",
+    "        customer_orders.add(item)\n",
+    "        print(f\"Added '{item}'. Current order (unique): {customer_orders}\")\n",
+    "    else:\n",
+    "        print(\"Invalid product, please choose from:\", products)\n",
+    "        # don't ask to continue on invalid; loop back to ask for a valid product\n",
+    "        continue\n",
+    "\n",
+    "    \n",
+    "    another = input(\"Add another product? (yes/no): \").strip().lower()\n",
+    "    if another in (\"no\", \"n\"):\n",
+    "        break\n",
+    "    elif another in (\"yes\", \"y\"):\n",
+    "        continue\n",
+    "    else:\n",
+    "        print(\"Didn't catch that—stopping here.\")\n",
+    "        break\n",
+    "\n",
+    "print(\"\\nCustomer order set (unique):\", customer_orders)\n",
+    "\n",
+    "total_unique_ordered = len(customer_orders)\n",
+    "percentage_ordered = (total_unique_ordered / len(products)) * 100 if products else 0.0\n",
+    "\n",
+    "print(\"\\nOrder Statistics:\")\n",
+    "print(f\"Total Unique Products Ordered: {total_unique_ordered}\")\n",
+    "print(f\"Percentage of Products Ordered: {percentage_ordered:.2f}%\")\n",
+    "\n",
+    "for item in customer_orders:\n",
+    "    inventory[item] = max(0, inventory[item] - 1)\n",
+    "\n",
+    "print(\"\\nUpdated Inventory:\")\n",
+    "for product, qty in inventory.items():\n",
+    "    print(f\"{product}: {qty}\")\n"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -55,7 +121,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.9.6"
   }
  },
  "nbformat": 4,