From 17ff6489be77557d1a260575a0da1904d53fa354 Mon Sep 17 00:00:00 2001
From: FRILLAY Emilie <lylymarcelin85@gmail.com>
Date: Thu, 21 May 2026 18:09:42 +0200
Subject: [PATCH] lab-python-functions.ipynb

---
 lab-python-functions.ipynb | 160 +++++++++++++++++++++++++++++++++++++
 1 file changed, 160 insertions(+)

diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..2a6db1f 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,6 +43,166 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "ff82e3aa",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"] #list of products"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "f1ca1a50",
+   "metadata": {},
+   "source": [
+    "1. Define a function named `initialize_inventory` that takes `products` as a parameter. Inside the function, implement the code for initializing the inventory dictionary using a loop and user input. "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "0fa93ccc",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Recall : create an empty dictionary called inventory -----> inventory = {} # dic_name = {}\n",
+    "def initialize_inventory (products): #----> Declare the function using the keyword\n",
+    "    inventory = {}\n",
+    "    for product in products:# for loop ----> take each product of the list\n",
+    "\n",
+    "    quantity = int(\n",
+    "        input(\n",
+    "            f\"Enter the quantity of {product}: \"\n",
+    "            )\n",
+    "        )\n",
+    "\n",
+    "    inventory[product] = quantity\n",
+    "    return inventory #---->Return the completed dictionary so that the rest of the main program can use it.\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "7f99bd7c",
+   "metadata": {},
+   "source": [
+    "2. Define a function named `get_customer_orders` that takes no parameters. Inside the function, implement the code for prompting the user to enter the product names using a loop. The function should return the `customer_orders` set."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "a0f22277",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def get_customer_orders ():\n",
+    "    customer_orders = set()\n",
+    "    for _ in range(3): # for loop\n",
+    "        product_name = input(\"Enter a product name to order (e.g., t-shirt, mug, hat, book, keychain): \")\n",
+    "        customer_orders.add(product_name) #modifying a set ----> # Adding elements to a set e.g fruit.add('grape')\n",
+    "    \n",
+    "    return customer_orders"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "e31a9551",
+   "metadata": {},
+   "source": [
+    "3. Define a function named `update_inventory` that takes `customer_orders` and `inventory` as parameters. Inside the function, implement the code for updating the inventory dictionary based on the customer orders."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "30f439d4",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def update_inventory (customer_orders, inventory):\n",
+    "    for product in products:\n",
+    "    inventory[product] -= 1 \n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "f94372e9",
+   "metadata": {},
+   "source": [
+    "4. Define a function named `calculate_order_statistics` that takes `customer_orders` and `products` as parameters. Inside the function, implement the code **for calculating the order statistics (total products ordered, and percentage of unique products ordered)***. The function should return these values."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "f7b021a5",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "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"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "5512ce5c",
+   "metadata": {},
+   "source": [
+    "5. Define a function named `print_order_statistics` that takes `order_statistics` as a parameter. Inside the function, implement the code **for printing the order statistics**."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "1051cb6f",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def print_order_statistics (order_statistics)\n",
+    "print(order_statistics)\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "fb8c6a32",
+   "metadata": {},
+   "source": [
+    "6. Define a function named `print_updated_inventory` that takes `inventory` as a parameter. Inside the function, implement the code for printing the updated inventory."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "92132433",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def print_updated_inventory (inventory):\n",
+    "    for product in products:\n",
+    "    inventory[product] -= 1\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "444ff547",
+   "metadata": {},
+   "source": [
+    "7. Call the functions in the appropriate sequence to execute the program and manage customer orders.\n",
+    "\n",
+    "Hints for functions:\n",
+    "\n",
+    "- Consider the input parameters required for each function and their return values.\n",
+    "- Utilize function parameters and return values to transfer data between functions.\n",
+    "- Test your functions individually to ensure they work correctly.\n",
+    "\n",
+    "    inventory.items()"
+   ]
   }
  ],
  "metadata": {