From fd8886e32c52123fda1c16b2a65f54cb32474e28 Mon Sep 17 00:00:00 2001
From: Kanak2208 <kanakyadav235@gmail.com>
Date: Sat, 17 Jan 2026 15:27:40 +0100
Subject: [PATCH] Lab2_Flow Control

---
 lab-python-flow-control.ipynb | 107 +++++++++++++++++++++++++++++++++-
 1 file changed, 105 insertions(+), 2 deletions(-)

diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..505cdfa 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,11 +37,114 @@
     "\n",
     "3. Instead of updating the inventory by subtracting 1 from the quantity of each product, only do it for  the products that were ordered (those in \"customer_orders\")."
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "id": "d63c115e",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "5\n"
+     ]
+    }
+   ],
+   "source": [
+    "#1.\n",
+    "\n",
+    "products = (\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\")\n",
+    "\n",
+    "print(len(products))\n",
+    "inventory = { }\n",
+    "\n",
+    "\n",
+    "for f in products:\n",
+    "    inventory[f] = int(input('Quantity of products:'))\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "id": "a58928ca",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 43, 'mug': 42, 'hat': 21, 'book': 10, 'keychain': 34}\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(inventory)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 19,
+   "id": "2215899e",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Thanks for purchase\n",
+      "{'book', 'hat'}\n"
+     ]
+    }
+   ],
+   "source": [
+    "#2. \n",
+    "customer_orders = set()\n",
+    "\n",
+    "continue_ordering = 'Yes'\n",
+    "\n",
+    "while continue_ordering == 'Yes':\n",
+    "    product_name = input('Enter the Name of Product:' )\n",
+    "    if product_name in inventory:\n",
+    "       customer_orders.add(product_name)\n",
+    "    else:\n",
+    "     continue_ordering= input('Do you want to continue order (yes/no):')\n",
+    "    \n",
+    "print('Thanks for purchase')\n",
+    "print(customer_orders)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "id": "5e67910d",
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "TypeError",
+     "evalue": "'set' object is not subscriptable",
+     "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[20]\u001b[39m\u001b[32m, line 4\u001b[39m\n\u001b[32m      1\u001b[39m \u001b[38;5;66;03m#3. \u001b[39;00m\n\u001b[32m      3\u001b[39m \u001b[38;5;28;01mfor\u001b[39;00m subt \u001b[38;5;129;01min\u001b[39;00m customer_orders:\n\u001b[32m----> \u001b[39m\u001b[32m4\u001b[39m     customer_orders[subt] = \u001b[43mcustomer_orders\u001b[49m\u001b[43m[\u001b[49m\u001b[43msubt\u001b[49m\u001b[43m]\u001b[49m -\u001b[32m1\u001b[39m\n",
+      "\u001b[31mTypeError\u001b[39m: 'set' object is not subscriptable"
+     ]
+    }
+   ],
+   "source": [
+    "#3. \n",
+    "\n",
+    "for subt in customer_orders:\n",
+    "    customer_orders[subt] = customer_orders[subt] -1\n",
+    "\n"
+   ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -55,7 +158,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.2"
   }
  },
  "nbformat": 4,