From 3aba3012de9f4c65dd63e667411b17821d83e310 Mon Sep 17 00:00:00 2001
From: Helena Krenzlin <Helena@MacBook-Air-2.fritz.box>
Date: Sat, 24 Jan 2026 15:04:41 +0100
Subject: [PATCH] Weeklab2 done

---
 lab-python-error-handling.ipynb | 131 +++++++++++++++++++++++++++++++-
 1 file changed, 129 insertions(+), 2 deletions(-)

diff --git a/lab-python-error-handling.ipynb b/lab-python-error-handling.ipynb
index f4c6ef6..ce51905 100644
--- a/lab-python-error-handling.ipynb
+++ b/lab-python-error-handling.ipynb
@@ -72,11 +72,138 @@
     "\n",
     "4. Test your code by running the program and deliberately entering invalid quantities and product names. Make sure the error handling mechanism works as expected.\n"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "c591d088",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# from previous exercise\n",
+    "def calculate_total_price (customer_orders):\n",
+    "    total = sum([float(input(f\"Enter price for {product}: \")) for product in customer_orders])\n",
+    "    return total\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 37,
+   "id": "338b29b8",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "products = [\"t-shirt\",\"mug\",\"hat\",\"book\",\"keychain\"]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 38,
+   "id": "aea7f035",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "customer_orders = set()\n",
+    "def get_customer_orders():\n",
+    "    customer_orders = set()\n",
+    "    continuing_order =\"yes\"\n",
+    "    while continuing_order==\"yes\":\n",
+    "        product = (input(f\"Enter a product name:\"))\n",
+    "        customer_orders.add(product)\n",
+    "        continuing_order = input (f\"Add another?( yes/no):\")\n",
+    "    return customer_orders"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 39,
+   "id": "2a565ccb",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'book', 'mug', 't-shirt'}\n"
+     ]
+    }
+   ],
+   "source": [
+    "print (get_customer_orders())"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 40,
+   "id": "6cc6c22c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#2\n",
+    "def calculate_total_price(get_customer_orders):\n",
+    "    total = 0 \n",
+    "    for product in customer_orders:\n",
+    "        valid_input = False\n",
+    "        while not valid_input:\n",
+    "            try:\n",
+    "                price = float(input(f\"Enter the price for {customer_orders}: \"))\n",
+    "                if price >= 0:\n",
+    "                    total += price\n",
+    "                    valid_input = True\n",
+    "                else:\n",
+    "                    print (\"Price cannot be negative. Please enter a valid price.\")\n",
+    "            except ValueError:\n",
+    "                print (\"Invalid input. Please enter a numeric value\")\n",
+    "            finally:\n",
+    "                print (\"Operation complete\")\n",
+    "    return total                "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 42,
+   "id": "931ba608",
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "TypeError",
+     "evalue": "calculate_total_price() missing 1 required positional argument: 'get_customer_orders'",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[31m---------------------------------------------------------------------------\u001b[39m",
+      "\u001b[31mTypeError\u001b[39m                                 Traceback (most recent call last)",
+      "\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[42]\u001b[39m\u001b[32m, line 1\u001b[39m\n\u001b[32m----> \u001b[39m\u001b[32m1\u001b[39m \u001b[43mcalculate_total_price\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n",
+      "\u001b[31mTypeError\u001b[39m: calculate_total_price() missing 1 required positional argument: 'get_customer_orders'"
+     ]
+    }
+   ],
+   "source": [
+    "calculate_total_price()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "id": "29217fb2",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      " The final amount to pay is:0 €\n"
+     ]
+    }
+   ],
+   "source": [
+    "grand_total = calculate_total_price(customer_orders)\n",
+    "print(f\" The final amount to pay is:{grand_total} €\")"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -90,7 +217,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.9"
   }
  },
  "nbformat": 4,