diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..e77a2bd 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,6 +37,110 @@
     "\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": 11,
+   "id": "b1c54e5e-af98-4a94-999b-d8fbb9b50480",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Please enter the quantity of t-shirt: 23\n",
+      "Please enter the quantity of mug: 70\n",
+      "Please enter the quantity of hat: 15\n",
+      "Please enter the quantity of book: 34\n",
+      "Please enter the quantity of keychain: 28\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 23, 'mug': 70, 'hat': 15, 'book': 34, 'keychain': 28}\n"
+     ]
+    }
+   ],
+   "source": [
+    "# 1. Look at your code from the lab data structures, and improve repeated code with loops.\n",
+    "\n",
+    "products=['t-shirt','mug','hat','book','keychain']\n",
+    "inventory={}\n",
+    "\n",
+    "for product in products:\n",
+    "    qty=int(input(f'Please enter the quantity of {product}:'))\n",
+    "    inventory[product]=qty\n",
+    "\n",
+    "print(inventory)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 12,
+   "id": "430abec4-2d1b-47a0-8969-255f416249bc",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter the name of the product you want to order: mug\n",
+      "Do you want to order another product? Answer only with 'yes' or 'no': yes\n",
+      "Enter the name of the product you want to order: keychain\n",
+      "Do you want to order another product? Answer only with 'yes' or 'no': yes\n",
+      "Enter the name of the product you want to order: t-shirt\n",
+      "Do you want to order another product? Answer only with 'yes' or 'no': yes\n",
+      "Enter the name of the product you want to order: hat\n",
+      "Do you want to order another product? Answer only with 'yes' or 'no': no\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'keychain', 't-shirt', 'hat', 'mug'}\n"
+     ]
+    }
+   ],
+   "source": [
+    "# 2.\n",
+    "\n",
+    "customer_orders=set()\n",
+    "\n",
+    "answer='yes'\n",
+    "while answer=='yes':\n",
+    "    order=input('Enter the name of the product you want to order:')\n",
+    "    customer_orders.add(order)\n",
+    "    answer=input(\"Do you want to order another product? Answer only with 'yes' or 'no':\")\n",
+    "\n",
+    "print(customer_orders)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 13,
+   "id": "6a13c7ac-b9cb-4b13-aba0-affbd6783c8c",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 22, 'mug': 69, 'hat': 14, 'book': 34, 'keychain': 27}\n"
+     ]
+    }
+   ],
+   "source": [
+    "# 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\").\n",
+    "\n",
+    "for order in customer_orders:\n",
+    "    if order in inventory:\n",
+    "        inventory[order]-=1\n",
+    "\n",
+    "print(inventory)"
+   ]
   }
  ],
  "metadata": {
@@ -55,7 +159,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.14.4"
   }
  },
  "nbformat": 4,