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Illustration of a Python list being converted into a single iterator block by the iter() built-in, with a one-way arrow showing single-pass iteration.
Python

Python iter(): How the Built-in Function Works

Illustration of Python pika connecting to RabbitMQ with queues, exchanges, and routing keys, emphasizing message acknowledgement flow.
Python

Python Pika: Queues, Exchanges, Routing Keys, and Acknowledgements

Comparison of two Python Kafka client libraries with code snippets and a scale icon.
Python

Python Kafka: kafka-python vs Confluent Client

Illustration of Kafka partition offsets and manual commit flow in a Python consumer
Python

Python Kafka Offsets, Partitions, and Manual Commits

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Latest Python Posts

Illustration of python async for loop consuming an async iterator in an asyncio event loop
Python

Python async for: Consuming Async Iterables

Learn how to use python async for to consume async iterables and generators, with practical examples and performance considerations.

asyncioasync iteratorsasync generatorsPython concurrency
Illustration of a Python async iterator feeding data into an async for loop, with a stream of items flowing through a coroutine.
Python

Python Async Iterator: Build and Use Async Iterables

python async iterator: Learn how to implement and consume Python async iterators using async generators and the async for loop, with practical examples and pitfalls.

asynciteratorsgeneratorsasyncio
Illustration of an asyncio event loop with a sleep timer yielding control to other tasks.
Python

How Python asyncio.sleep Works and When to Use It

Understand how Python asyncio.sleep yields control to the event loop, its cancellation behavior, and how it differs from time.sleep in async code.

asyncioconcurrencycoroutinesevent loop
An illustration of an asyncio event loop with a timer that cancels a running coroutine when a deadline passes.
Python

Python asyncio timeout: wait_for, timeout, and cancellation

Apply timeouts to asyncio coroutines with wait_for, the timeout context manager, and timeout_at, and understand cancellation and cleanup behavior.

asynciotimeoutcancellationconcurrency
Illustration of asyncio.wait_for applying a timeout to an async task, with a clock and cancellation symbol.
Python

Python asyncio.wait_for: Timeouts and Cancellation

python asyncio wait_for: Learn how asyncio.wait_for applies timeouts to coroutines, handles cancellation, and raises TimeoutError in Python async programs.

asynciotimeoutscancellationconcurrency
Diagram showing asyncio.wait returning done and pending sets of coroutines.
Python

Python asyncio.wait: Managing Concurrent Tasks

Use asyncio.wait to run coroutines concurrently, control completion conditions, handle timeouts, and manage done and pending task sets.

asyncioconcurrencycoroutinesevent loop
Illustration of multiple coroutine task streams converging into a single gathered result container, representing asyncio.gather in Python.
Python

Python asyncio.gather: Run Multiple Coroutines Concurrently

Learn how to run multiple coroutines concurrently with Python's asyncio.gather, keep results in input order, handle failures, and avoid blocking the event loop.

asyncioconcurrencycoroutinesasync-await
Illustration of multiple coroutine arrows converging into a single result list, representing asyncio.gather concurrency.
Python

Using Python asyncio.gather for Concurrent Tasks

Run multiple coroutines concurrently with Python's asyncio.gather: collect ordered results, handle exceptions with return_exceptions, and understand cancellation behavior and alternatives.

asyncioconcurrencycoroutinesasync programming
Illustration of a Python asyncio task being awaited on an event loop, showing coroutines suspended and resumed.
Python

Awaiting Tasks in Python asyncio

Learn how to await asyncio tasks in Python, retrieve results, handle exceptions, cancel tasks, and avoid common concurrency pitfalls.

asyncioconcurrencycoroutinesevent loop
Illustration of multiple asyncio tasks running concurrently on an event loop, with one task being cancelled and results being collected.
Python

Working with Python asyncio Tasks

python asyncio task: Understand Python asyncio tasks: how to create them with create_task, await multiple tasks, handle cancellation and exceptions, and avoid common p...

asyncioconcurrencycoroutinespython