From 9828e5ec0aeea025ab52e5480517e586434b7c28 Mon Sep 17 00:00:00 2001
From: luispabloaiello-da <luispablo.aiello@gmail.com>
Date: Wed, 3 Sep 2025 18:04:56 +0200
Subject: [PATCH] Lab | Managing Customer Orders with Functions

---
 lab-python-functions.ipynb | 111 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 109 insertions(+), 2 deletions(-)

diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..e32ff8c 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,11 +43,118 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 18,
+   "id": "6c13aa54",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 5, 'mug': 5, 'hat': 5, 'book': 5, 'keychain': 5}\n",
+      "socks is not a valid product.\n",
+      "glass is not a valid product.\n",
+      "Products in the customer orders:\n",
+      "- hat\n",
+      "- book\n",
+      "Updated Inventory: {'t-shirt': 5, 'mug': 5, 'hat': 4, 'book': 4, 'keychain': 5}\n",
+      "Order Statistics:\n",
+      "Total Products Ordered: 2\n",
+      "Percentage of Products Ordered: 40.00%\n"
+     ]
+    }
+   ],
+   "source": [
+    "# ## Exercise: Managing Customer Orders\n",
+    "\n",
+    "# ## Global variables ## #\n",
+    "\n",
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\n",
+    "# ## Functions ## #\n",
+    "\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "    for product in products:\n",
+    "        quantity = int(input(f\"Enter the quantity for {product}: \"))\n",
+    "        inventory[product] = quantity\n",
+    "    return inventory\n",
+    "\n",
+    "def get_customer_orders():\n",
+    "    customer_orders = set()\n",
+    "    while answer := input(\"Do you want to add a product to your order? (yes/no): \") == \"yes\":\n",
+    "        order = input(f\"Enter the name of product {len(customer_orders) + 1} to order: \")\n",
+    "        if order in products:\n",
+    "            customer_orders.add(order)\n",
+    "        else:\n",
+    "            print(f\"{order} is not a valid product.\")\n",
+    "    return customer_orders\n",
+    "\n",
+    "def update_inventory(inventory, customer_order) -> dict:\n",
+    "    for item in customer_order:\n",
+    "        if item in inventory:\n",
+    "            inventory[item] -= 1\n",
+    "    return inventory\n",
+    "\n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    total_products_ordered = len(customer_orders)\n",
+    "    percentage_ordered = (total_products_ordered / len(products)) * 100\n",
+    "    return total_products_ordered, percentage_ordered\n",
+    "\n",
+    "def print_order_statistics(order_status):\n",
+    "    print(\"Order Statistics:\")\n",
+    "    print(f\"Total Products Ordered: {order_status[0]}\")\n",
+    "    print(f\"Percentage of Products Ordered: {order_status[1]:.2f}%\")\n",
+    "\n",
+    "def print_updated_inventory(inventory):\n",
+    "    print(\"Updated Inventory:\")\n",
+    "    for item, quantity in inventory.items():\n",
+    "        print(f\"{item}: {quantity}\")\n",
+    "\n",
+    "# ## Code ## #\n",
+    "\n",
+    "inventory = initialize_inventory(products)\n",
+    "\n",
+    "print(inventory)\n",
+    "\n",
+    "customer_orders = get_customer_orders()\n",
+    "\n",
+    "print(\"Products in the customer orders:\")\n",
+    "for item in customer_orders:\n",
+    "    print(f\"- {item}\")\n",
+    "\n",
+    "upd_inventory = update_inventory(inventory, customer_orders)\n",
+    "\n",
+    "print(f\"Updated Inventory: {upd_inventory}\")\n",
+    "\n",
+    "order_status = calculate_order_statistics(customer_orders, products)\n",
+    "\n",
+    "print_order_statistics(order_status)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "d743e6b1",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "051f880b",
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -61,7 +168,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.6"
   }
  },
  "nbformat": 4,