We’ve long used f-strings in Python to conveniently format variables in a string. Python 3.14 introduces an even more advanced feature in this vein, template strings as defined in PEP 750.

This feature can significantly enhance the performance ... it easier for developers to write and read code that uses F strings. Python 3.12 also brings changes related to types and type annotations.

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Similarly, the Python "string" type functions as a collection type to an extent, allowing index referencing and manipulation. But, as strings have their own internal quirks, replacing and removing ...

Here’s a rundown of the most significant new features in Python 3.12 and what they mean for Python developers. F-strings, Python’s convenient system for performing string formatting ...