diff --git a/lab-python-error-handling.ipynb b/lab-python-error-handling.ipynb
index f4c6ef6..b2a8cab 100644
--- a/lab-python-error-handling.ipynb
+++ b/lab-python-error-handling.ipynb
@@ -72,11 +72,94 @@
     "\n",
     "4. Test your code by running the program and deliberately entering invalid quantities and product names. Make sure the error handling mechanism works as expected.\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "id": "aca75df0",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'Apples': 32, 'Oranges': 23, 'lettuce': 1}\n",
+      "{'Apples': 23, 'Oranges': 21, 'lettuce': 32}\n",
+      "That brings your total up to: 23\n",
+      "That brings your total up to: 44\n",
+      "That brings your total up to: 76\n"
+     ]
+    }
+   ],
+   "source": [
+    "products = [\"Apples\", \"Oranges\", \"lettuce\"]\n",
+    "\n",
+    "\n",
+    "\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "    for product in products:\n",
+    "        valid_quantity = False\n",
+    "        while not valid_quantity:\n",
+    "            try:\n",
+    "                quantity = int(input(f\"Enter the quantity of {product}s available: \"))\n",
+    "                if quantity < 0:\n",
+    "                    raise ValueError(\"Invalid quantity! Please enter a non-negative value.\")\n",
+    "                valid_quantity = True\n",
+    "            except ValueError as error:\n",
+    "                print(f\"Error: {error}\")\n",
+    "        inventory[product] = quantity\n",
+    "    return inventory\n",
+    "\n",
+    "def initialize_prices(products):\n",
+    "    prices = {}\n",
+    "    for product in products:\n",
+    "        valid_price = False\n",
+    "        while not valid_price:\n",
+    "            try:\n",
+    "                price = int(input(f\"Enter the price of {product}s: \"))\n",
+    "                if price < 0:\n",
+    "                    raise ValueError(\"Invalid price! Please enter a non-negative value.\")\n",
+    "                valid_price = True\n",
+    "            except ValueError as error:\n",
+    "                print(f\"Error: {error}\")\n",
+    "        prices[product] = price\n",
+    "    return prices\n",
+    "\n",
+    "\n",
+    "\n",
+    "# inventory = initialize_inventory(products)\n",
+    "print(inventory)\n",
+    "#prices = initialize_prices(products)\n",
+    "print(prices)\n",
+    "\n",
+    "\n",
+    "\n",
+    "def get_customer_orders(inventory, prices):\n",
+    "    total_price = 0\n",
+    "    \n",
+    "    for product in inventory:\n",
+    "        valid_order = False\n",
+    "        while not valid_order:\n",
+    "            try:\n",
+    "                order_quantity = int(input(f\"There are {inventory[product]} {product} for {prices[product]}€ each available- How many would you like to purchase?\"))\n",
+    "                if order_quantity < 0:\n",
+    "                    raise ValueError(\"Invalid order Quantity! Please enter a non-negative value.\")\n",
+    "                valid_order = True\n",
+    "                total_price += order_quantity * prices[product]\n",
+    "            except ValueError as error:  \n",
+    "                print(f\"Error: {error}\")              \n",
+    "       \n",
+    "        print(f\"That brings your total up to: {total_price}\")\n",
+    "\n",
+    "\n",
+    "get_customer_orders(inventory, prices)"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },