From 639e6478911f509261ccd702940eba409081285d Mon Sep 17 00:00:00 2001
From: michaelgrasshopper <michiemichael78@gmail.com>
Date: Mon, 11 May 2026 20:27:27 +0200
Subject: [PATCH 1/2] lab-python-functions-lab3

---
 lab-python-functions.ipynb | 69 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)

diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..94986ba 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,6 +43,75 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "d0cdfefa",
+   "metadata": {
+    "vscode": {
+     "languageId": "plaintext"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\n",
+    "# 1.\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "    for product in products:\n",
+    "        quantity = int(input(f\"Enter the quantity of {product} available in inventory: \"))\n",
+    "        inventory[product] = quantity\n",
+    "    return inventory\n",
+    "\n",
+    "# 2.\n",
+    "def get_customer_orders():\n",
+    "    customer_orders = set()\n",
+    "    while True:\n",
+    "        order = input(\"\\nEnter the name of a product to order (t-shirt, mug, hat, book, keychain): \").strip().lower()\n",
+    "        \n",
+    "        if order in products:\n",
+    "            customer_orders.add(order)\n",
+    "            print(f\"'{order}' has been added to your order.\")\n",
+    "        else:\n",
+    "            print(f\"Invalid product. Please choose from: {', '.join(products)}\")\n",
+    "            continue\n",
+    "\n",
+    "        another = input(\"Do you want to add another product? (yes/no): \").strip().lower()\n",
+    "        if another != \"yes\":\n",
+    "            break\n",
+    "\n",
+    "    return customer_orders\n",
+    "\n",
+    "# 3.\n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    for product in customer_orders:\n",
+    "        if product in inventory:\n",
+    "            inventory[product] -= 1\n",
+    "    return inventory\n",
+    "\n",
+    "# 4.\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",
+    "    order_statistics = (total_products_ordered, percentage_ordered)\n",
+    "    return order_statistics\n",
+    "\n",
+    "# 5.\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    print(f\"\"\"\n",
+    "Order Statistics:\n",
+    "Total Products Ordered: {order_statistics[0]}\n",
+    "Percentage of Products Ordered: {order_statistics[1]:.2f}%\n",
+    "    \"\"\")\n",
+    "\n",
+    "# 6.\n",
+    "def print_updated_inventory(inventory):\n",
+    "    print(\"Updated Inventory:\")\n",
+    "    for product, quantity in inventory.items():\n",
+    "        print(f\"{product}: {quantity}\")"
+   ]
   }
  ],
  "metadata": {

From 10191709876c25a6ff3ab76ba74ed40bec8ec5a5 Mon Sep 17 00:00:00 2001
From: michaelgrasshopper <michiemichael78@gmail.com>
Date: Fri, 15 May 2026 16:11:45 +0200
Subject: [PATCH 2/2] lab-python-functions-lab-3

---
 lab-python-functions.ipynb | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 94986ba..7869420 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -48,11 +48,7 @@
    "cell_type": "code",
    "execution_count": null,
    "id": "d0cdfefa",
-   "metadata": {
-    "vscode": {
-     "languageId": "plaintext"
-    }
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
@@ -110,7 +106,30 @@
     "def print_updated_inventory(inventory):\n",
     "    print(\"Updated Inventory:\")\n",
     "    for product, quantity in inventory.items():\n",
-    "        print(f\"{product}: {quantity}\")"
+    "        print(f\"{product}: {quantity}\")\n",
+    "\n",
+    "# 7.\n",
+    "# Step 1: Initialize the inventory\n",
+    "inventory = initialize_inventory(products)\n",
+    "\n",
+    "# Step 2: Get customer orders\n",
+    "customer_orders = get_customer_orders()\n",
+    "\n",
+    "# Step 3: Calculate order statistics\n",
+    "order_statistics = calculate_order_statistics(customer_orders, products)\n",
+    "\n",
+    "# Step 4: Print order statistics\n",
+    "print_order_statistics(order_statistics)\n",
+    "\n",
+    "# Step 5: Update the inventory\n",
+    "inventory = update_inventory(customer_orders, inventory)\n",
+    "\n",
+    "# Step 6: Print the updated inventory\n",
+    "print_updated_inventory(inventory)\n",
+    "\n",
+    "# Step 7: Calculate and print total price\n",
+    "total_price = calculate_total_price(customer_orders)\n",
+    "print(f\"Total Price: {total_price}\")"
    ]
   }
  ],