lab solved

lab-python-flow-control.ipynb

@@ -37,6 +37,140 @@
     "\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": null,
+   "id": "9b3265b3-bb16-4fec-a80b-0655aa4a903f",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# 1. \n",
+    "#customer_orders = set()\n",
+    "\n",
+    "#inventory = {}\n",
+    "\n",
+    "#for item in customer_orders:\n",
+    "    #if item in inventory and inventory[item] > 0:\n",
+    "        inventory[item] -= 1\n",
+    "#print(\"Updated Inventory:\")\n",
+    "#for product, quantity in inventory.items():\n",
+    "   # print(f\"{product}: {quantity}\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "d40fb142-1389-4007-97cb-2bac8f76162b",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Available products: t-shirt, mug, hat, book, keychain\n"
+     ]
+    },
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Enter at least one product to order:  t-shirt\n"
+     ]
+    }
+   ],
+   "source": [
+    "# 2.a & .b & .c.\n",
+    "inventory = {\n",
+    "    \"t-shirt\": 10,\n",
+    "    \"mug\": 10,\n",
+    "    \"hat\": 10,\n",
+    "    \"book\": 10,\n",
+    "    \"keychain\": 10\n",
+    "}\n",
+    "\n",
+    "customer_orders = []\n",
+    "print(\"Available products:\", \", \".join(inventory.keys()))\n",
+    "while True:\n",
+    "    first_order = input(\"Enter at least one product to order: \").strip().lower()\n",
+    "    if first_order in inventory:\n",
+    "        customer_orders.append(first_order)\n",
+    "        break\n",
+    "    else:\n",
+    "        print(\"Invalid product. Please choose from the available products.\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "id": "f9fde0ec-cf6e-41ea-b020-1152c1eaf9c8",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "Do you want to add more products? (yes/no):  yes\n",
+      "Enter more product names separated by commas:  mug\n",
+      "Do you want to add more products? (yes/no):  no\n"
+     ]
+    }
+   ],
+   "source": [
+    "# 2.d.\n",
+    "while True:\n",
+    "    more = input(\"Do you want to add more products? (yes/no): \").strip().lower()\n",
+    "    if more != \"yes\":\n",
+    "        break\n",
+    "\n",
+    "    additional_input = input(\"Enter more product names separated by commas: \")\n",
+    "    product_list = [p.strip().lower() for p in additional_input.split(\",\")]\n",
+    "\n",
+    "    for product in product_list:\n",
+    "        if product in inventory:\n",
+    "            customer_orders.append(product)\n",
+    "        else:\n",
+    "            print(f\"'{product}' is not a valid product. Skipping.\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "id": "632be76b-10ba-4bc7-8b2f-612bfeb6b25d",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "Updated Inventory:\n",
+      "t-shirt: 9\n",
+      "mug: 9\n",
+      "hat: 10\n",
+      "book: 10\n",
+      "keychain: 10\n"
+     ]
+    }
+   ],
+   "source": [
+    "# 3.\n",
+    "for item in customer_orders:\n",
+    "    if item in inventory and inventory[item] > 0:\n",
+    "        inventory[item] -= 1\n",
+    "\n",
+    "print(\"\\nUpdated Inventory:\")\n",
+    "for product, quantity in inventory.items():\n",
+    "    print(f\"{product}: {quantity}\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "dc74dbb3-a7eb-4959-a2cd-474fc0ef32c6",
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
@@ -55,7 +189,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.12.5"
   }
  },
  "nbformat": 4,