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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 a Python f-string converting a decimal fraction into a formatted percentage with a percent sign
Python

Python f-String Percentage Formatting

Learn how to format percentages in Python f-strings using the % specifier, control precision and rounding, and avoid common mistakes.

f-stringsstring formattingpercentage formattingnumeric formatting
Illustration of Python f-string number formatting showing a formatted number with precision and separators.
Python

Python f-String Number Formatting

python f string number formatting: Learn Python f-string number formatting: precision, thousands separators, alignment, signs, and format specifiers for integers, floa...

f-stringsnumber formattingformat specifiersPython
Diagram showing text padding and alignment inside Python f-string braces
Python

Python F-String Padding for Clean Output

Learn how to pad and align values inside Python f-strings using width, alignment codes, and fill characters, including dynamic widths and common edge cases.

f-stringsstring formattingtext alignmentformat specifiers
Python f-string alignment concept with text fields showing left, right, and center alignment and padding.
Python

Python f-string alignment: padding and positioning text

Learn how to align text in Python f-strings using format specifiers for width, fill, and positioning.

f-stringsstring formattingalignmentformat specifiers
Illust showing a Python f-string with a format specifier controlling alignment and numeric precision
Python

Python f-string format specifier: syntax and examples

How to use Python f-string format specifiers for alignment, numeric precision, grouping, and sign control, with practical examples.

f-stringsformat specifiersstring formattingnumeric formatting
A stylized Python f-string showing curly braces with a variable name and format specifier, representing string interpolation.
Python

Python F Strings: Syntax, Formatting, and Pitfalls

Practical guide to Python f-strings: basic syntax, format specifiers, the equals-sign debugging shortcut, dynamic formatting, compatibility, and common pitfalls.

f-stringsstring formattingpython 3debugging
Diagram showing two lists merging into one using the Python unpacking operator.
Python

Python Merge Lists with Unpacking

How to merge lists in Python using the `*` unpacking operator, with examples of syntax, edge cases, and practical patterns.

list unpackingpython listsmerge listsstar operator
Illustration of two dictionary objects merging into one using Python unpacking syntax
Python

Python Merge Dictionaries with Unpacking

Learn how to merge dictionaries in Python with double-star unpacking. See how duplicate keys are resolved, when to prefer the pipe operator, and how Python version affects your choice.

dictionary mergingdict unpackingpython syntaxpython 3.9
Diagram showing a function call with a list being unpacked into positional arguments and a dict into keyword arguments.
Python

Python Function Argument Unpacking with *args and **kwargs

Learn how to use *args and **kwargs for flexible Python function definitions, and how to unpack iterables and mappings when calling functions.

PythonFunction ArgumentsUnpacking*args
Illustration of Python double star unpacking showing a dictionary being unpacked into function arguments.
Python

Python Double Star Unpacking: Syntax and Use Cases

python double star unpacking: Learn how Python double star unpacking works for function calls, definitions, and dictionary merging, with practical examples and pitfalls.

PythonUnpackingFunction ArgumentsDictionary