From 69f279a85c62791d1c1f9048ad11ff2fc585b7c2 Mon Sep 17 00:00:00 2001
From: Aline Granells <alinegranells@gmail.com>
Date: Thu, 18 Jun 2026 14:35:00 +0100
Subject: [PATCH] Solved lab - Day 3

---
 lab-python-functions.ipynb | 152 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 150 insertions(+), 2 deletions(-)

diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb
index 44d337b..0ee9259 100644
--- a/lab-python-functions.ipynb
+++ b/lab-python-functions.ipynb
@@ -43,11 +43,159 @@
     "\n",
     "\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 35,
+   "id": "6df02b54",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "products =  [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\n",
+    "# Exercise number 1\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "\n",
+    "    for product in products:\n",
+    "        quantity = int(input(f\"Enter quantity for {product}: \"))\n",
+    "        inventory[product] = quantity\n",
+    "\n",
+    "    return inventory\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 36,
+   "id": "6d493778",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Exercise number 2\n",
+    "def get_customer_orders():\n",
+    "    customer_orders = set()\n",
+    "\n",
+    "    add_another = \"yes\"\n",
+    "\n",
+    "    while add_another == \"yes\":\n",
+    "        order = input(\"Please input the name of the product: \").lower().strip()\n",
+    "        customer_orders.add(order)\n",
+    "\n",
+    "        add_another = input(\"Do you want another product? (yes/no): \").lower().strip()\n",
+    "\n",
+    "    return customer_orders"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 37,
+   "id": "2e61470b",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Exercise number 3\n",
+    "def update_inventory(customer_orders, inventory):\n",
+    "    for product in customer_orders:\n",
+    "        if product in inventory:\n",
+    "            inventory[product] -= 1\n",
+    "    \n",
+    "    return inventory"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 38,
+   "id": "45690d3b",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Exercise number 4\n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    total_order = len(customer_orders)\n",
+    "    rate = (total_order / len(products)) * 100\n",
+    "\n",
+    "    return total_order, rate"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 39,
+   "id": "e446f5a9",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Exercise number 5\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    total_order, rate = order_statistics\n",
+    "    \n",
+    "    print(f\"Total Ordered: {total_order}\")\n",
+    "    print(f\"Percentagem of products ordered: {rate}\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 40,
+   "id": "42a641d9",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Exercise number 6\n",
+    "def print_updated_inventory(inventory):\n",
+    "    print(\"\\nUpdated inventory: \")\n",
+    "    for product, quantity in inventory.items():\n",
+    "        print(f\"{product}: {quantity}\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 41,
+   "id": "9932bcc3",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Total Ordered: 1\n",
+      "Percentagem of products ordered: 20.0\n",
+      "\n",
+      "Updated inventory: \n",
+      "t-shirt: 10\n",
+      "mug: 10\n",
+      "hat: 10\n",
+      "book: 9\n",
+      "keychain: 10\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Exercise number 7\n",
+    "\n",
+    "inventory = initialize_inventory(products)\n",
+    "\n",
+    "customer_orders = get_customer_orders()\n",
+    "\n",
+    "inventory = update_inventory(customer_orders, inventory)\n",
+    "\n",
+    "order_statistics = calculate_order_statistics(customer_orders, products)\n",
+    "\n",
+    "print_order_statistics(order_statistics)\n",
+    "\n",
+    "print_updated_inventory(inventory)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "01493c6b",
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -61,7 +209,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.14.5"
   }
  },
  "nbformat": 4,