PEP 750 introduces template strings (t-strings), which are lazily evaluated and allow for more flexible string interpolation suitable for scenarios like performance-optimized logging and internationalization.
The main practical difference between t-strings and f-strings is lazy evaluation, enabling scenarios that f-strings cannot handle, such as template reuse and HTML templating.
If PEP 750 is accepted, developers will be able to use t-strings instead of older formatting methods like str.format() or modulo (%) formatting, ensuring a more intuitive syntax.
Python 3.14.0a2 marks the second alpha release in a series planned for testing new features and bug fixes before the final release, showcasing Python's continuous innovation.
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