diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..38910a6 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,13 +37,195 @@
     "\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": "af9c9d9e-0a84-46be-a9da-b640c3a35c19",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter the qty t-shirt:,  20\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 20}\n"
+     ]
+    },
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter the qty mug:,  20\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 20, 'mug': 20}\n"
+     ]
+    },
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter the qty hat:,  20\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 20, 'mug': 20, 'hat': 20}\n"
+     ]
+    },
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter the qty book:,  20\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 20, 'mug': 20, 'hat': 20, 'book': 20}\n"
+     ]
+    },
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter the qty keychain:,  20\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 20, 'mug': 20, 'hat': 20, 'book': 20, 'keychain': 20}\n"
+     ]
+    }
+   ],
+   "source": [
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"] #1 code with loops\n",
+    "inventory = {}\n",
+    "for product in products:     \n",
+    "    quantity = int(input(f\"Enter the qty {product}:, \"))\n",
+    "    inventory[product] = quantity\n",
+    "    print(inventory)\n",
+    "\n",
+    "customer_orders = set()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 19,
+   "id": "608e6078-9039-4972-a073-05f9cd1c9714",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "The list of products ['t-shirt', 'mug', 'hat', 'book', 'keychain']\n"
+     ]
+    },
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter the item to order:,  mug\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "mug added to your order\n"
+     ]
+    },
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Do you want to add another product yes/no?:  no\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'mug'}\n"
+     ]
+    }
+   ],
+   "source": [
+    "while True:                             #2 customer order\n",
+    "    print(\"The list of products\", products)\n",
+    "    product = input(f\"Enter the item to order:, \").lower()\n",
+    "    if product in products:\n",
+    "        customer_orders.add(product)\n",
+    "        print(f\"{product} added to your order\")\n",
+    "    else:\n",
+    "       print(\"Invalid product\")\n",
+    "    choice= input(\"Do you want to add another product yes/no?: \")\n",
+    "    if choice != \"yes\":\n",
+    "        break\n",
+    "\n",
+    "print(customer_orders)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 21,
+   "id": "5102183d-7e29-4ee6-8e56-c7e920937b2f",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Updated Inventory: {'t-shirt': 19, 'mug': 18, 'hat': 19, 'book': 19, 'keychain': 19}\n",
+      "t-shirt: 19\n",
+      "mug: 18\n",
+      "hat: 19\n",
+      "book: 19\n",
+      "keychain: 19\n"
+     ]
+    }
+   ],
+   "source": [
+    "for product in customer_orders:    #3 updating inventory with customer order\n",
+    "    if product in inventory and inventory[product] > 0:\n",
+    "        inventory[product] -= 1\n",
+    "print(\"Updated Inventory:\", inventory)\n",
+    "for product, quantity in inventory.items():\n",
+    "    print(f\"{product}: {quantity}\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "e5ebd3ac-f445-45ee-a5e4-f1154fb6e1df",
+   "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 +237,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.5"
   }
  },
  "nbformat": 4,