Python 3.14’s live debugging interface

Overview

Among the powerful new features in Python 3.14 is a new interface for attaching a live debugger to a running Python program. You can inspect the state of a Python app, make changes, single-step through it — all without having to modify the source code ahead of time to work with a debugger. This video shows a simple example of how it can be used, either with Python's own pdb debugging module, or with code you write for your own custom debugging scenarios.

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