diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..fa40f32 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,13 +37,132 @@
     "\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": 23,
+   "id": "d661c4e0-52b1-4756-927e-4ce789910440",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter the quantity of t-shirt:  56\n",
+      "Enter the quantity of mug:  7\n",
+      "Enter the quantity of hat:  3\n",
+      "Enter the quantity of book:  56\n",
+      "Enter the quantity of keychain:  8\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 56, 'mug': 7, 'hat': 3, 'book': 56, 'keychain': 8}\n"
+     ]
+    }
+   ],
+   "source": [
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "inventory = {}\n",
+    "for product in products:\n",
+    "    quantity = int(input(f\"Enter the quantity of {product}: \"))\n",
+    "    inventory[product]=quantity\n",
+    "\n",
+    "print (inventory)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 24,
+   "id": "0dfd1b17-122f-484c-a7d9-9f72d68c167f",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter the name of a product:  book\n",
+      "Do you want to add another product?  yes\n",
+      "Enter the name of a product:  keychain\n",
+      "Do you want to add another product?  yes\n",
+      "Enter the name of a product:  t-shirt\n",
+      "Do you want to add another product?  no\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "The customers order is: {'book', 't-shirt', 'keychain'}\n"
+     ]
+    }
+   ],
+   "source": [
+    "customer_orders = set()\n",
+    "condition=1\n",
+    "while condition == 1:\n",
+    "    product = input(f\"Enter the name of a product: \").lower()\n",
+    "    if product in products:\n",
+    "        customer_orders.add(product)\n",
+    "    else:\n",
+    "        print(\"The product isn't in the list.\")\n",
+    "    \n",
+    "    cond = input(\"Do you want to add another product? \").lower()\n",
+    "        \n",
+    "    if cond == \"yes\":\n",
+    "        condition=1\n",
+    "    elif cond == \"no\":\n",
+    "        condition=0\n",
+    "    else:\n",
+    "        print(\"Wrong answer.\")\n",
+    "        condition=0\n",
+    "print(\"The customers order is:\", customer_orders)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "id": "4a20dbf6-9832-4581-8a19-d7a6da0605ad",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Updated inventory: \n",
+      "t-shirt: 55\n",
+      "mug: 7\n",
+      "hat: 3\n",
+      "book: 55\n",
+      "keychain: 7\n"
+     ]
+    }
+   ],
+   "source": [
+    "for product in customer_orders:\n",
+    "    inventory[product] -= 1\n",
+    "    \n",
+    "print(\"Updated inventory: \")\n",
+    "for product in inventory:\n",
+    "    print(f\"{product}: {inventory[product]}\")  "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "726e83ff-1dab-4e41-bbf9-bd439820d573",
+   "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 +174,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.9"
   }
  },
  "nbformat": 4,