diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..446a60d 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,11 +37,121 @@
     "\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": 18,
+   "id": "82cf7574",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "inventory = {}"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 19,
+   "id": "cca67e2c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "for product in products :\n",
+    "    quantity = int(input(f\"Enter quantity for {product}:\"))\n",
+    "    inventory[product] = quantity"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "id": "3f9207d8",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 5, 'mug': 6, 'hat': 8, 'book': 10, 'keychain': 4}\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(inventory)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 21,
+   "id": "8eb27252",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "customer_orders = set()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "id": "780cc294",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "num_orders = int(input(\"How many products would you like to order? \"))\n",
+    "\n",
+    "for i in range(1, 4):  # 1, 2, 3\n",
+    "    order = input(f\"Enter name of product {i}: \")\n",
+    "    customer_orders.add(order)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 23,
+   "id": "fb61f1ed",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "answer = \"yes\"\n",
+    "\n",
+    "while  answer == \"yes\":\n",
+    "    prod_name = input (\"please enter name of product: \")\n",
+    "    customer_orders.add(prod_name)\n",
+    "    answer = input(' do you want to continue (yes/no)')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 24,
+   "id": "6cf181e9",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "for i in customer_orders : \n",
+    "    if i in inventory :\n",
+    "        inventory [i] -= 1"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "id": "fe026864",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 5, 'mug': 5, 'hat': 7, 'book': 9, 'keychain': 4}\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(inventory)"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -55,7 +165,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.9"
   }
  },
  "nbformat": 4,