diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..f9e335e 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,6 +43,180 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "012dc04c",
+   "metadata": {
+    "vscode": {
+     "languageId": "plaintext"
+    }
+   },
+   "source": [
+    "# Exercise #1"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "9d52baf3",
+   "metadata": {
+    "vscode": {
+     "languageId": "javascript"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "def initialize_inventory(products):\n",
+    "    inventory = ()\n",
+    "\n",
+    "    for product in products:\n",
+    "        quantity = int(input(f\"Enter the quantity for {product}: \"))\n",
+    "        inventory[product] = quantity\n",
+    "\n",
+    "    return inventory"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "ede18899",
+   "metadata": {},
+   "source": [
+    "# Exercise 2:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "81f1d233",
+   "metadata": {
+    "vscode": {
+     "languageId": "javascript"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "def get_customer_orders():\n",
+    "    customer_orders = set()\n",
+    "\n",
+    "    while True:\n",
+    "        product = input(\"Enter a product name (or 'done' to finish): \")\n",
+    "        if product == \"done\":\n",
+    "            break\n",
+    "        customer_orders.add(product)\n",
+    "\n",
+    "    return customer_orders\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "15993ea1",
+   "metadata": {
+    "vscode": {
+     "languageId": "javascript"
+    }
+   },
+   "source": [
+    "# Exercise 3:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "4e38eac0",
+   "metadata": {
+    "vscode": {
+     "languageId": "javascript"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "def update_inventory(customer_orders, inventory):\n",
+    "    for product in customer_orders:\n",
+    "        if product in inventory:\n",
+    "            inventory[product] -= 1"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "5d25fd22",
+   "metadata": {},
+   "source": [
+    "# Exercise 4:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "2d71d9ca",
+   "metadata": {
+    "vscode": {
+     "languageId": "javascript"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    total_products_ordered = len(customer_orders)\n",
+    "    percentage_unique_products = (total_products_ordered / len(products)) * 100\n",
+    "\n",
+    "    return total_products_ordered, percentage_unique_products"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "ba6a49e2",
+   "metadata": {},
+   "source": [
+    "# Exercise 6:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "68be2fab",
+   "metadata": {
+    "vscode": {
+     "languageId": "javascript"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "def print_updated_inventory(inventory):\n",
+    "    print(\"Updated Inventory:\")\n",
+    "    for product, quantity in inventory.items():\n",
+    "        print(f\"{product}: {quantity}\")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "2019a1d4",
+   "metadata": {},
+   "source": [
+    "# Exercise 7:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "fdf45e98",
+   "metadata": {
+    "vscode": {
+     "languageId": "javascript"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "products = [\"apple\", \"banana\", \"orange\"]\n",
+    "\n",
+    "inventory = initialize_inventory(products)\n",
+    "customer_orders = get_customer_orders()\n",
+    "update_inventory(customer_orders, inventory)\n",
+    "order_statistics = calculate_order_statistics(customer_orders, products)\n",
+    "\n",
+    "print_order_statistics(order_statistics)\n",
+    "print_updated_inventory(inventory)"
+   ]
   }
  ],
  "metadata": {