diff --git a/lab-python-data-structures.ipynb b/lab-python-data-structures.ipynb
index 5b3ce9e0..23999e29 100644
--- a/lab-python-data-structures.ipynb
+++ b/lab-python-data-structures.ipynb
@@ -50,13 +50,263 @@
     "\n",
     "Solve the exercise by implementing the steps using the Python concepts of lists, dictionaries, sets, and basic input/output operations. "
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 29,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#Define a list called products that contains the following items: \"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\".\n",
+    "\n",
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 30,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#Create an empty dictionary called inventory\n",
+    "\n",
+    "inventory = {}"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 32,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "What is the quantity of t-shirts?:  5\n",
+      "What is the quantity of mugs?:  5\n",
+      "What is the quantity of hats?:  5\n",
+      "What is the quantity of books?:  5\n",
+      "What is the quantity of keychains?:  5\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Ask the user to input the quantity of each product available in the inventory. Use the product names from the products list as keys\n",
+    "# in the inventory dictionary and assign the respective quantities as values.\n",
+    "\n",
+    "for product in products:\n",
+    "    quantity = int(input(f\"What is the quantity of {product}s?: \"))\n",
+    "    inventory[product] = quantity"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 33,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Create empty set\n",
+    "\n",
+    "customer_orders = set()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 34,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter a product:  hat\n",
+      "Enter a product:  muh\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Product not in list.\n"
+     ]
+    },
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter a product:  mug\n",
+      "Enter a product:  keychain\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Ask the user to input the name of three products that a customer wants to order (from those in products list).\n",
+    "# Add each product name to the customer_orders set.\n",
+    "\n",
+    "counter = 3\n",
+    "\n",
+    "while counter > 0:\n",
+    "    \n",
+    "    three_products = input(\"Enter a product: \")\n",
+    "\n",
+    "    if three_products in products:\n",
+    "        customer_orders.add(three_products)\n",
+    "        counter -=1\n",
+    "    else:\n",
+    "        print(\"Product not in list.\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 35,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'hat', 'keychain', 'mug'}\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Print the products in the customer_orders set.\n",
+    "\n",
+    "print(customer_orders)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 36,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "15\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Calculate the following order statistics:\n",
+    "# Total Products Ordered: The total number of products in the customer_orders set.\n",
+    "\n",
+    "total_products_ordered = sum(inventory[product] for product in customer_orders)\n",
+    "print(total_products_ordered)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 37,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Percentage of products ordered: The percentage of products ordered compared to the total available products.\n",
+    "\n",
+    "total_available_products = sum(inventory.values())\n",
+    "percentage_products = (total_products_ordered / total_available_products) * 100"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 38,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "(15, 60.0)\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Store these statistics in a tuple called order_status.\n",
+    "\n",
+    "order_status = (total_products_ordered, percentage_products)\n",
+    "\n",
+    "print(order_status)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 39,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Order statistics:\n",
+      "Total products ordered:  15\n",
+      "Percentage of products ordered:  60.0\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Print the order statistics using the following format:\n",
+    "# Order statistics:\n",
+    "# Total products ordered: <total_products_ordered>\n",
+    "# Percentage of products ordered: <percentage_ordered>\n",
+    "\n",
+    "print(\"Order statistics:\")\n",
+    "print(\"Total products ordered: \", total_products_ordered)\n",
+    "print(\"Percentage of products ordered: \", percentage_products)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 40,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 4, 'mug': 4, 'hat': 4, 'book': 4, 'keychain': 4}\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Update the inventory by subtracting 1 from the quantity of each product. Modify the inventory dictionary accordingly.\n",
+    "\n",
+    "for product in inventory:\n",
+    "    inventory[product] -= 1\n",
+    "    \n",
+    "print(inventory)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 49,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "t-shirt : 4\n",
+      "mug : 4\n",
+      "hat : 4\n",
+      "book : 4\n",
+      "keychain : 4\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Print the updated inventory , displaying the quantity of each product on separate lines.\n",
+    "\n",
+    "for product, quantity in inventory.items():\n",
+    "    print(product,\":\", quantity)"
+   ]
   }
  ],
  "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": {
@@ -68,7 +318,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.5"
   }
  },
  "nbformat": 4,