Episode 25: A Python That Never Was

Episode 25 of the core.py podcast, hosted by Pablo Galindo and Łukasz Langa, titled "Episode 25: A Python That Never Was" was published on August 26, 2025 and runs 121 minutes.

August 26, 2025 ·121m · core.py

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Summary

What if some rejected PEPs were actually accepted? How would Python look today? Let's go through 10 PEPs from the past and imagine an alternative future for the language!## Timestamps(00:00:00) INTRO(00:01:00) PART 1: What if rejected PEPs were accepted?(00:02:15) PEP 638: Syntactic Macros(00:13:53) PEP 505: None-aware operators(00:37:12) PEP 671: Late-bound function argument defaults(00:44:40) PEP 335: Overloadable Boolean Operators(00:50:53) PEP 3136: Labeled break and continue(00:52:49) PEP 463: Exception-catching expressions(01:00:58) PEP 511: API for code transformers(01:06:30) PEP 340: Anonymous block statements(01:10:30) PEP 276 and PEP 284: Alternative integer iteration(01:17:12) The do: while: loop(01:19:50) The final boss of Python syntax feature requests(01:25:33) PART 2: PR OF THE WEEK(01:36:17) Raw f-string format fixes(01:38:44) PART 3: WHAT'S GOING ON IN CPYTHON(01:40:55) Python 3.14 RC2 and Python 3.13.7(01:43:20) Welcome to the core team, Emma(01:43:50) Welcome to the release team, Savannah(01:45:56) Free threading changes(01:47:49) Perf improvements(01:52:00) New features(01:57:20) Bugfixes(01:59:15) OUTRO

Episode Description

What if some rejected PEPs were actually accepted? How would Python look today? Let's go through 10 PEPs from the past and imagine an alternative future for the language!

## Timestamps

(00:00:00) INTRO

(00:01:00) PART 1: What if rejected PEPs were accepted?

(00:02:15) PEP 638: Syntactic Macros

(00:13:53) PEP 505: None-aware operators

(00:37:12) PEP 671: Late-bound function argument defaults

(00:44:40) PEP 335: Overloadable Boolean Operators

(00:50:53) PEP 3136: Labeled break and continue

(00:52:49) PEP 463: Exception-catching expressions

(01:00:58) PEP 511: API for code transformers

(01:06:30) PEP 340: Anonymous block statements

(01:10:30) PEP 276 and PEP 284: Alternative integer iteration

(01:17:12) The do: while: loop

(01:19:50) The final boss of Python syntax feature requests

(01:25:33) PART 2: PR OF THE WEEK

(01:36:17) Raw f-string format fixes

(01:38:44) PART 3: WHAT'S GOING ON IN CPYTHON

(01:40:55) Python 3.14 RC2 and Python 3.13.7

(01:43:20) Welcome to the core team, Emma

(01:43:50) Welcome to the release team, Savannah

(01:45:56) Free threading changes

(01:47:49) Perf improvements

(01:52:00) New features

(01:57:20) Bugfixes

(01:59:15) OUTRO

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