Before that

First download Python and configure environment variables

Win11python download and environment variable configuration

Text

Reference link:
Python learning notes – error: Please select a valid Python interpreter

Question

The following error occurs when running: Please select a valid Python interpreter
the English meaning of this sentence: “please select a valid Python interpreter”

In fact, it’s because you just downloaded pychar, and you haven’t done its basic configuration yet. The error is normal ~

Solution:

First, Download python (again)

Open the DOS command line window,

ah, with ~

Then, the parser selects the problem, opens settings (Ctrl + Alt + s) or file & gt; settings, and opens the configuration box, as shown in the following figure:

Just follow the steps:

The results are shown in the figure below:

Then you can!