diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..39652e6 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,11 +43,119 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "37295d16",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 10, 'mug': 10, 'hat': 10, 'book': 10, 'keychain': 10}\n"
+     ]
+    },
+    {
+     "ename": "NameError",
+     "evalue": "name 'order_statistics' is not defined",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[31m---------------------------------------------------------------------------\u001b[39m",
+      "\u001b[31mNameError\u001b[39m                                 Traceback (most recent call last)",
+      "\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[2]\u001b[39m\u001b[32m, line 77\u001b[39m\n\u001b[32m     75\u001b[39m update_inventory(customer_orders, inventory)\n\u001b[32m     76\u001b[39m calculate_order_statistics(customer_orders, products)\n\u001b[32m---> \u001b[39m\u001b[32m77\u001b[39m print_order_statistics(\u001b[43morder_statistics\u001b[49m)\n\u001b[32m     78\u001b[39m print_updated_inventory(inventory)\n",
+      "\u001b[31mNameError\u001b[39m: name 'order_statistics' is not defined"
+     ]
+    }
+   ],
+   "source": [
+    "def get_customer_orders():\n",
+    "    \"\"\"this function is designed to get input from the user for customer orders\"\"\"\n",
+    "    quantity_user = \"\"\n",
+    "    status_ordering= True\n",
+    "    customer_orders = set()\n",
+    "\n",
+    "    while status_ordering == True:\n",
+    "        customer_order = input(\"Enter the name of a product that the customer want's to order:\").replace(\" \", \"\") \n",
+    "        continue_ordering = input(\"Do you want to continue ordering? (yes/no): \")\n",
+    "        customer_order = customer_order.split(\",\") #deleting spaces so it can be split correctly and counted for the inventory\n",
+    "        customer_orders = set(customer_order)\n",
+    "        # customer_orders.append(customer_order) # creating the list dividing the input by commas.\n",
+    "    \n",
+    "        while continue_ordering.lower() not in [\"yes\", \"no\"]: # entrada valida\n",
+    "            print(\"Please enter a valid answer (yes/no)\")\n",
+    "            continue_ordering = input(\"Do you want to continue ordering? (yes/no): \")\n",
+    "        if continue_ordering.lower() == \"no\":\n",
+    "            status_ordering = False\n",
+    "\n",
+    "    return customer_orders\n",
+    "\n",
+    "def initialize_inventory(products):\n",
+    "                        \n",
+    "    \"\"\" This is desing to get input for the inventory\"\"\"\n",
+    "    inventory = { product: 0 for product in products}\n",
+    "\n",
+    "    sum_inventory_final = 0\n",
+    "        \n",
+    "    for product in products: \n",
+    "        \n",
+    "        quantity_user = input(f\"Enter the initial amount for product: {product} in the inventory\")\n",
+    "        \n",
+    "        while quantity_user.isdigit() == False or int(quantity_user) < 0: \n",
+    "            #if it is not a number or less than 0, we break the loop and print a message\n",
+    "            print(\"Quantity must be a number and greater than 0. Start again\") \n",
+    "            quantity_user= input(f\"Enter the amount for products: {product}\")\n",
+    "\n",
+    "        inventory[product] = int(quantity_user) #adding the product as key and the quantity as value to the dictionary\n",
+    "        sum_inventory_final += int(quantity_user) #adding the quantity to calculate the percentage at the end.\n",
+    "    print(inventory) \n",
+    "    return inventory \n",
+    " \n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    \"\"\"This function updates the inventory based on customer orders\"\"\"\n",
+    "    \n",
+    "    for item in customer_orders:\n",
+    "        if item in inventory:\n",
+    "            inventory[item] = inventory[item] -1 #updating the inventory.  \n",
+    "\n",
+    "    return inventory\n",
+    "    \n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    \n",
+    "    amount_products=len(products) \n",
+    "    sum_inventory_final=sum([value for value in inventory.values()])\n",
+    "    total_products_percentage=(len(customer_orders)/sum_inventory_final*100) \n",
+    "    order_statistics = (total_products_percentage, amount_products)\n",
+    "    \n",
+    "    return order_statistics\n",
+    "\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    \n",
+    "    print(\"Order Statistics:\") #point 8 printing as requested\n",
+    "    print(\"Total products ordered: \", order_statistics[1]) #point 7 statistics 1 done\n",
+    "    print(\"Percentage of products ordered: \", order_statistics[0], \"%\") #point 7 statistics 2 done\n",
+    "\n",
+    "    return order_statistics\n",
+    "\n",
+    "def print_updated_inventory(inventory):\n",
+    "    print(f\"Updated inventory: {inventory}\")\n",
+    "    return inventory\n",
+    "\n",
+    "\n",
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "inventory = initialize_inventory(products)\n",
+    "customer_orders = get_customer_orders()\n",
+    "update_inventory(customer_orders, inventory)\n",
+    "calculate_order_statistics(customer_orders, products)\n",
+    "print_order_statistics(order_statistics)\n",
+    "print_updated_inventory(inventory)"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -61,7 +169,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.3"
   }
  },
  "nbformat": 4,