From 67bd40339fd9550ee4b334297daf76a77d4689bd Mon Sep 17 00:00:00 2001
From: veerpal <veerpal.ists@gmail.com>
Date: Thu, 27 Nov 2025 14:48:54 +0100
Subject: [PATCH] lab complete

---
 lab-python-flow-control.ipynb | 156 +++++++++++++++++++++++++++++++++-
 1 file changed, 155 insertions(+), 1 deletion(-)

diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb
index f4c7391..0f33b9b 100644
--- a/lab-python-flow-control.ipynb
+++ b/lab-python-flow-control.ipynb
@@ -37,6 +37,160 @@
     "\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": 8,
+   "id": "c19eb94b-45ee-412a-bba4-23661e7d3237",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['t-shirt', 'mug', 'hat', 'book', 'keychain']\n"
+     ]
+    },
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter number 1:  12\n",
+      "Enter number 2:  23\n",
+      "Enter number 3:  34\n",
+      "Enter number 4:  11\n",
+      "Enter number 5:  36\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['12', '23', '34', '11', '36']\n",
+      "{'t-shirt': 12, 'mug': 23, 'hat': 34, 'book': 11, 'keychain': 36}\n"
+     ]
+    }
+   ],
+   "source": [
+    "# 1. List Products\n",
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "print(products)\n",
+    "inventory = {}\n",
+    "values = []\n",
+    "\n",
+    "for i in range(0,5):\n",
+    "    user_num = input(f\"Enter number {i+1}: \")\n",
+    "    if user_num.isdigit():\n",
+    "        values.append(user_num)\n",
+    "    else:\n",
+    "        print(\"Enter the valid value\")\n",
+    "        user_num = input(f\"Enter number {i+1}: \")\n",
+    "        values.append(user_num)\n",
+    "print(values)\n",
+    "\n",
+    "for i in range(0,5):\n",
+    "    inventory[products[i]] = int(values[i])\n",
+    "print(inventory)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "id": "1cc9b843-66c1-43f8-961a-4e0505f11095",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter the product 1:  book\n",
+      "Do you want to add another product? (yes/no):  yes\n",
+      "Enter the product 2:  hat\n",
+      "Do you want to add another product? (yes/no):  no\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Customer orders: {'hat', 'book'}\n"
+     ]
+    }
+   ],
+   "source": [
+    "customer_orders = set()\n",
+    "\n",
+    "for i in range(0,3):\n",
+    "    # a. Prompt the user to enter the name of a product.\n",
+    "    product = input(f\"Enter the product {i+1}: \")\n",
+    "    # b. Add the product to the \"customer_orders\" set.\n",
+    "    if product.isdigit():\n",
+    "        product = print(f\"Enter the valid product {i+1}:\")\n",
+    "        product = input(f\"Enter the product {i+1} that you want to order : \")\n",
+    "        customer_orders.add(product)\n",
+    "    else:\n",
+    "        customer_orders.add(product)\n",
+    "    another_product = input(\"Do you want to add another product? (yes/no): \").strip().lower()\n",
+    "\n",
+    "    # c. Continue only if yes\n",
+    "    if another_product != \"yes\":\n",
+    "        break\n",
+    "\n",
+    "\n",
+    "print(\"Customer orders:\", customer_orders)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 11,
+   "id": "d4d94076-8328-4784-a0d8-ad15aa8c0436",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter the quantity for the product hat:  3\n",
+      "Enter the quantity for the product book:  2\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 12, 'mug': 23, 'hat': 31, 'book': 7, 'keychain': 36}\n"
+     ]
+    }
+   ],
+   "source": [
+    "products = []\n",
+    "\n",
+    "for product in customer_orders:\n",
+    "    while True:\n",
+    "        quantity = input(f\"Enter the quantity for the product {product}: \")\n",
+    "        if quantity.isdigit():\n",
+    "            quantity = int(quantity)\n",
+    "            break\n",
+    "        print(\"Please enter a valid numeric quantity.\")\n",
+    "   \n",
+    "    products.append(quantity)\n",
+    "\n",
+    "    # Update inventory if product exists\n",
+    "    if product in inventory:\n",
+    "        inventory[product] = int(inventory[product]) - quantity\n",
+    "    else:\n",
+    "        print(f\"Warning: {product} not found in inventory!\")\n",
+    "\n",
+    "print(inventory)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "87a1c85a-d62a-400c-83ac-3b7cb106003b",
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
@@ -55,7 +209,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.12.4"
   }
  },
  "nbformat": 4,