Fix indentation error in Python 3.13+ built-in REPL #438
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In Python 3.13 and later, the built-in REPL automatically adjusts indentation based on contextual information when a new line is entered. This behavior may cause unexpected indentation errors in some cases. The issue was previously reported in issue #424 . Fortunately, the new REPL provides a Paste Mode, which disables automatic indentation and allows code to run smoothly.

This implementation runs smoothly on Windows and Linux. The new REPL includes built-in syntax highlighting and more powerful features. With the implementations in PRs #435 and #436 , setting PYTHON_BASIC_REPL is no longer required.