HELP! Python 3.8.3 error init_stdio_encoding

C:\Users\JoJo>python
Fatal Python error: init_stdio_encoding: failed to get the Python codec name of the stdio encoding
Python runtime state: core initialized
LookupError: unknown encoding: 8

Current thread 0x00004404 (most recent call first):

I’ve tried reloading and configuring the build environment, but nothing worked.