Unable to type backslash into the interactive terminal on windows

[Erakla]

Bug report

Bug description:

Hello,
as described in the title its exactly just this: Its not possible to type a backslash ("") into the interactive terminal.
I could confirm the issue with windows 10 and 11 CPython 3.13.3. Other releases are not affected.

CPython versions tested on:

3.13

Operating systems tested on:

Windows

[chris-eibl]

Most probably a duplicate of #132439?

This is fixed since 3.14 beta 1 and also backported to 3.13 and will be in the upcoming 3.13.4.

If you can't/want downgrade to 3.13.2 or upgrade to a beta of 3.14, you can disable the new REPL using the environment variable PYTHON_BASIC_REPL=1.