diff --git a/lessons/232/python-litestar-app/.dockerignore b/lessons/232/python-litestar-app/.dockerignore
new file mode 100644
index 00000000..06e47050
--- /dev/null
+++ b/lessons/232/python-litestar-app/.dockerignore
@@ -0,0 +1,27 @@
+*.pyc
+*.pyo
+*.mo
+*.db
+*.css.map
+*.egg-info
+*.sql.gz
+.cache
+.project
+.idea
+.pydevproject
+.idea/workspace.xml
+.DS_Store
+.git/
+.sass-cache
+.vagrant/
+__pycache__
+dist
+docs
+env
+logs
+src/{{ project_name }}/settings/local.py
+src/node_modules
+web/media
+web/static/CACHE
+stats
+Dockerfile
\ No newline at end of file
diff --git a/lessons/232/python-litestar-app/.gitignore b/lessons/232/python-litestar-app/.gitignore
new file mode 100644
index 00000000..9cc511ec
--- /dev/null
+++ b/lessons/232/python-litestar-app/.gitignore
@@ -0,0 +1,168 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# UV
+#   Similar to Pipfile.lock, it is generally recommended to include uv.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#uv.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/latest/usage/project/#working-with-version-control
+.pdm.toml
+.pdm-python
+.pdm-build/
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
\ No newline at end of file
diff --git a/lessons/232/python-litestar-app/Dockerfile b/lessons/232/python-litestar-app/Dockerfile
new file mode 100644
index 00000000..6b64e558
--- /dev/null
+++ b/lessons/232/python-litestar-app/Dockerfile
@@ -0,0 +1,27 @@
+FROM python:3.12-slim-bookworm AS build
+
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+RUN pip install --upgrade pip
+COPY ./requirements.txt /app/requirements.txt
+RUN pip install --no-cache-dir -r /app/requirements.txt
+
+FROM python:3.12-slim-bookworm
+
+ENV PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+COPY --from=build /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
+COPY --from=build /usr/local/bin /usr/local/bin
+
+COPY . /app
+
+CMD ["gunicorn", "-w", "4", "-k", "uvicorn.workers.UvicornWorker", "--timeout", "60", "--graceful-timeout", "60", "--log-level", "error", "main:app", "--bind", "0.0.0.0:8000"]
diff --git a/lessons/232/python-litestar-app/db.py b/lessons/232/python-litestar-app/db.py
new file mode 100644
index 00000000..57cb55bb
--- /dev/null
+++ b/lessons/232/python-litestar-app/db.py
@@ -0,0 +1,87 @@
+from __future__ import annotations
+
+import logging
+import os
+from contextlib import asynccontextmanager
+from typing import AsyncGenerator
+
+import aiomcache
+import asyncpg
+
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
+
+POSTGRES_URI = os.environ["POSTGRES_URI"]
+POSTGRES_POOL_SIZE = int(os.environ["POSTGRES_POOL_SIZE"])
+MEMCACHED_HOST = os.environ["MEMCACHED_HOST"]
+MEMCACHED_POOL_SIZE = int(os.environ["MEMCACHED_POOL_SIZE"])
+
+
+class Database:
+    __slots__ = ("_pool",)
+
+    def __init__(self, pool: asyncpg.Pool):
+        self._pool = pool
+
+    @staticmethod
+    async def from_postgres() -> Database:
+        """Create connection pool if it doesn't exist"""
+        try:
+            pool = await asyncpg.create_pool(
+                POSTGRES_URI,
+                min_size=10,
+                max_size=POSTGRES_POOL_SIZE,
+                max_inactive_connection_lifetime=300,
+            )
+            logger.info("Database pool created: %s", pool)
+
+            return Database(pool)
+        except asyncpg.exceptions.PostgresError as e:
+            logging.error(f"Error creating PostgreSQL connection pool: {e}")
+            raise ValueError("Failed to create PostgreSQL connection pool")
+        except Exception as e:
+            logging.error(f"Unexpected error while creating connection pool: {e}")
+            raise
+
+    @asynccontextmanager
+    async def get_connection(self) -> AsyncGenerator[asyncpg.Connection, None]:
+        """Get database connection from pool"""
+        async with self._pool.acquire() as connection:
+            logger.info("Connection acquired from pool")
+            yield connection
+            logger.info("Connection released back to pool")
+
+    async def close(self):
+        """Close the pool when shutting down"""
+        await self._pool.close()
+        logger.info("Database pool closed")
+
+
+class MemcachedClient:
+    __slots__ = ("_client",)
+
+    def __init__(self, client: aiomcache.Client):
+        self._client = client
+
+    @staticmethod
+    async def initialize() -> MemcachedClient:
+        """Initialize the Memcached client with connection pooling"""
+        try:
+            client = aiomcache.Client(
+                host=MEMCACHED_HOST, pool_size=MEMCACHED_POOL_SIZE
+            )
+            logger.info(f"Memcached client created: {client}")
+            return MemcachedClient(client)
+        except Exception:
+            logging.exception("Error creating Memcached client")
+            raise ValueError("Failed to create Memcached client")
+
+    async def close(self):
+        """Close the Memcached client"""
+        await self._client.close()
+        logger.info("Memcached client closed")
+
+    def get_client(self) -> aiomcache.Client:
+        """Get the Memcached client instance"""
+        return self._client
diff --git a/lessons/232/python-litestar-app/main.py b/lessons/232/python-litestar-app/main.py
new file mode 100644
index 00000000..ff14a721
--- /dev/null
+++ b/lessons/232/python-litestar-app/main.py
@@ -0,0 +1,187 @@
+import datetime
+import logging
+import time
+import uuid
+from contextlib import asynccontextmanager
+from dataclasses import dataclass
+
+import aiomcache
+import orjson
+from asyncpg import PostgresError
+from litestar import Litestar, Request, get, post
+from litestar.exceptions import HTTPException
+from litestar.logging import LoggingConfig
+from litestar.openapi.config import OpenAPIConfig
+from litestar.openapi.plugins import SwaggerRenderPlugin
+from pydantic import BaseModel
+
+from db import Database, MemcachedClient
+from metrics import H
+
+logger = logging.getLogger(__name__)
+logger.setLevel(logging.DEBUG)
+
+logging_config = LoggingConfig(
+    root={"level": "ERROR", "handlers": ["queue_listener"]},
+    formatters={
+        "standard": {"format": "%(asctime)s - %(name)s - %(levelname)s - %(message)s"}
+    },
+    log_exceptions="always",
+)
+
+
+@dataclass(slots=True)
+class DeviceRequest(BaseModel):
+    mac: str
+    firmware: str
+
+
+H_MEMCACHED_LABEL = H.labels(op="set", db="memcache")
+H_POSTGRES_LABEL = H.labels(op="insert", db="postgres")
+INSERT_QUERY = """
+    INSERT INTO python_device (uuid, mac, firmware, created_at, updated_at)
+    VALUES ($1, $2, $3, $4, $5)
+    RETURNING id;
+"""
+
+
+@get("/healthz")
+async def healthz_handler(request: Request) -> str:
+    return "OK"
+
+
+@get("/api/devices")
+async def get_devices_handler(request: Request) -> list[dict]:
+    return [
+        {
+            "id": 1,
+            "uuid": "9add349c-c35c-4d32-ab0f-53da1ba40a2a",
+            "mac": "EF-2B-C4-F5-D6-34",
+            "firmware": "2.1.5",
+            "created_at": "2024-05-28T15:21:51.137Z",
+            "updated_at": "2024-05-28T15:21:51.137Z",
+        },
+        {
+            "id": 2,
+            "uuid": "d2293412-36eb-46e7-9231-af7e9249fffe",
+            "mac": "E7-34-96-33-0C-4C",
+            "firmware": "1.0.3",
+            "created_at": "2024-01-28T15:20:51.137Z",
+            "updated_at": "2024-01-28T15:20:51.137Z",
+        },
+        {
+            "id": 3,
+            "uuid": "eee58ca8-ca51-47a5-ab48-163fd0e44b77",
+            "mac": "68-93-9B-B5-33-B9",
+            "firmware": "4.3.1",
+            "created_at": "2024-08-28T15:18:21.137Z",
+            "updated_at": "2024-08-28T15:18:21.137Z",
+        },
+    ]
+
+
+@post("/api/devices")
+async def create_device_handler(data: DeviceRequest, request: Request) -> dict:
+    device_request = data
+    try:
+        now = datetime.datetime.now(datetime.timezone.utc)
+        device_uuid = uuid.uuid4()
+
+        start_time = time.perf_counter()
+        async with request.app.state.db.get_connection() as conn:
+            row = await conn.fetchrow(
+                INSERT_QUERY,
+                device_uuid,
+                device_request.mac,
+                device_request.firmware,
+                now,
+                now,
+            )
+
+        H_POSTGRES_LABEL.observe(time.perf_counter() - start_time)
+
+        if not row:
+            raise HTTPException(
+                status_code=500, detail="Failed to create device record"
+            )
+
+        device_dict = {
+            "id": row["id"],
+            "uuid": str(device_uuid),
+            "mac": device_request.mac,
+            "firmware": device_request.firmware,
+            "created_at": now,
+            "updated_at": now,
+        }
+
+        start_time = time.perf_counter()
+        cache_client = request.app.state.memcached.get_client()
+        await cache_client.set(
+            device_uuid.hex.encode(),
+            orjson.dumps(device_dict),
+            exptime=20,
+        )
+        H_MEMCACHED_LABEL.observe(time.perf_counter() - start_time)
+
+        return device_dict
+
+    except PostgresError:
+        logger.exception("Postgres error")
+        raise HTTPException(status_code=500, detail="Database error occurred")
+    except aiomcache.exceptions.ClientException:
+        logger.exception("Memcached error")
+        raise HTTPException(status_code=500, detail="Memcached error occurred")
+    except Exception:
+        logger.exception("Unknown error")
+        raise HTTPException(status_code=500, detail="Unexpected error occurred")
+
+
+@get("/api/devices/stats")
+async def get_device_stats_handler(request: Request) -> dict:
+    try:
+        cache_client = request.app.state.memcached.get_client()
+        stats = await cache_client.stats()
+        return {
+            "curr_items": stats.get(b"curr_items", 0),
+            "total_items": stats.get(b"total_items", 0),
+            "bytes": stats.get(b"bytes", 0),
+            "curr_connections": stats.get(b"curr_connections", 0),
+            "get_hits": stats.get(b"get_hits", 0),
+            "get_misses": stats.get(b"get_misses", 0),
+        }
+    except aiomcache.exceptions.ClientException:
+        logger.exception("Memcached error")
+        raise HTTPException(status_code=500, detail="Memcached error occurred")
+    except Exception:
+        logger.exception("Unknown error")
+        raise HTTPException(status_code=500, detail="Unexpected error occurred")
+
+
+@asynccontextmanager
+async def lifespan(app: Litestar):
+    app.state.db = await Database.from_postgres()
+    app.state.memcached = await MemcachedClient.initialize()
+    try:
+        yield
+    finally:
+        await app.state.db.close()
+        await app.state.memcached.close()
+
+
+app = Litestar(
+    route_handlers=[
+        healthz_handler,
+        get_devices_handler,
+        create_device_handler,
+        get_device_stats_handler,
+    ],
+    lifespan=[lifespan],
+    openapi_config=OpenAPIConfig(
+        title="Litestar Example",
+        description="Example of Litestar with Scalar OpenAPI docs",
+        version="0.0.1",
+        render_plugins=[SwaggerRenderPlugin(version="5.1.3")],
+        path="/docs",
+    ),
+    logging_config=logging_config,
+)
diff --git a/lessons/232/python-litestar-app/metrics.py b/lessons/232/python-litestar-app/metrics.py
new file mode 100644
index 00000000..c4cd59f1
--- /dev/null
+++ b/lessons/232/python-litestar-app/metrics.py
@@ -0,0 +1,43 @@
+from prometheus_client import Histogram
+
+# Exactly the same histogram buckets as in Go.
+buckets = (
+    0.00001, 0.000015, 0.00002, 0.000025, 0.00003, 0.000035, 0.00004, 0.000045,
+    0.00005, 0.000055, 0.00006, 0.000065, 0.00007, 0.000075, 0.00008, 0.000085,
+    0.00009, 0.000095, 0.0001, 0.000101, 0.000102, 0.000103, 0.000104, 0.000105,
+    0.000106, 0.000107, 0.000108, 0.000109, 0.00011, 0.000111, 0.000112, 0.000113,
+    0.000114, 0.000115, 0.000116, 0.000117, 0.000118, 0.000119, 0.00012, 0.000121,
+    0.000122, 0.000123, 0.000124, 0.000125, 0.000126, 0.000127, 0.000128,
+    0.000129, 0.00013, 0.000131, 0.000132, 0.000133, 0.000134, 0.000135, 0.000136,
+    0.000137, 0.000138, 0.000139, 0.00014, 0.000141, 0.000142, 0.000143, 0.000144,
+    0.000145, 0.000146, 0.000147, 0.000148, 0.000149, 0.00015, 0.000151, 0.000152,
+    0.000153, 0.000154, 0.000155, 0.000156, 0.000157, 0.000158, 0.000159, 0.00016,
+    0.000161, 0.000162, 0.000163, 0.000164, 0.000165, 0.000166, 0.000167,
+    0.000168, 0.000169, 0.00017, 0.000171, 0.000172, 0.000173, 0.000174, 0.000175,
+    0.000176, 0.000177, 0.000178, 0.000179, 0.00018, 0.000181, 0.000182, 0.000183,
+    0.000184, 0.000185, 0.000186, 0.000187, 0.000188, 0.000189, 0.00019, 0.000191,
+    0.000192, 0.000193, 0.000194, 0.000195, 0.000196, 0.000197, 0.000198,
+    0.000199, 0.0002, 0.00021, 0.00022, 0.00023, 0.00024, 0.00025, 0.00026,
+    0.00027, 0.00028, 0.00029, 0.0003, 0.00031, 0.00032, 0.00033, 0.00034,
+    0.00035, 0.00036, 0.00037, 0.00038, 0.00039, 0.0004, 0.00041, 0.00042,
+    0.00043, 0.00044, 0.00045, 0.00046, 0.00047, 0.00048, 0.00049, 0.0005,
+    0.00051, 0.00052, 0.00053, 0.00054, 0.00055, 0.00056, 0.00057, 0.00058,
+    0.00059, 0.0006, 0.00061, 0.00062, 0.00063, 0.00064, 0.00065, 0.00066,
+    0.00067, 0.00068, 0.00069, 0.0007, 0.00071, 0.00072, 0.00073, 0.00074,
+    0.00075, 0.00076, 0.00077, 0.00078, 0.00079, 0.0008, 0.00081, 0.00082,
+    0.00083, 0.00084, 0.00085, 0.00086, 0.00087, 0.00088, 0.00089, 0.0009,
+    0.00091, 0.00092, 0.00093, 0.00094, 0.00095, 0.00096, 0.00097, 0.00098,
+    0.00099, 0.001, 0.0015, 0.002, 0.0025, 0.003, 0.0035, 0.004, 0.0045, 0.005,
+    0.0055, 0.006, 0.0065, 0.007, 0.0075, 0.008, 0.0085, 0.009, 0.0095, 0.01,
+    0.015, 0.02, 0.025, 0.03, 0.035, 0.04, 0.045, 0.05, 0.055, 0.06, 0.065, 0.07,
+    0.075, 0.08, 0.085, 0.09, 0.095, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45,
+    0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1.0, 1.5, 2.0, 2.5,
+    3.0, 3.5, 4.0, 4.5, 5.0,
+)
+
+H = Histogram(
+    "myapp_request_duration_seconds",
+    "Duration of the request",
+    labelnames=("op", "db"),
+    buckets=buckets
+)
diff --git a/lessons/232/python-litestar-app/requirements.txt b/lessons/232/python-litestar-app/requirements.txt
new file mode 100644
index 00000000..afb9b55f
--- /dev/null
+++ b/lessons/232/python-litestar-app/requirements.txt
@@ -0,0 +1,8 @@
+aiomcache==0.8.2
+orjson==3.10.12
+asyncpg==0.30.0
+litestar==2.13.0
+pydantic==2.10.4
+prometheus_client==0.21.1
+gunicorn==23.0.0
+uvicorn==0.34.0
diff --git a/lessons/232/python-litestar-app/schema.sql b/lessons/232/python-litestar-app/schema.sql
new file mode 100644
index 00000000..3a68c1c9
--- /dev/null
+++ b/lessons/232/python-litestar-app/schema.sql
@@ -0,0 +1,14 @@
+CREATE TABLE IF NOT EXISTS python_device (
+    id SERIAL PRIMARY KEY,
+    uuid UUID DEFAULT NULL,
+    mac VARCHAR(255) DEFAULT NULL,
+    firmware VARCHAR(255) DEFAULT NULL,
+    created_at TIMESTAMP
+    WITH
+        TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+        updated_at TIMESTAMP
+    WITH
+        TIME ZONE DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX IF NOT EXISTS idx_device_uuid ON python_device (uuid);
\ No newline at end of file