I use the extension code-runner for my VS code to run it directly in the app without a terminal and I had a problem where I had the latest version of Python installed (3.10.0) I had selected that version as my interpreter yet code-runner was running my code in python2.
Here is the solution which worked for me:
As a beginner, I could not understand the way other solutions were explained so I hope this helps:
Go to your User Settings .json by opening the Command Palette with View > Command Palette or by pressing Command+Shift+P on Mac or Ctrl+Shift+P on Windows. Then search for Preferences: Open Settings(JSON)
in a new tab, once again open the command palette but this time look for Preferences: Open User Settings
in the 'Search settings' bar at the top search for 'Shebang'. Make sure that the box of 'Code-runner: Respect Shebang' is not ticked.
go back to your .json settings file and check that the following line of code is in there:
"code-runner.respectShebang": false,
if not, first reload the page, searching for Developer: Reload window in the command palette.
if it still isn't there you will need to add it yourself alongside all your other settings like so:
You will need to go again to Preferences: Open User Settings in the command palette and in the settings search bar look for Code-runner: Executor Map. If it is not in your settings.json file then you will need to press the little settings/gear icon which pops up when you hover your cursor over it and then select 'Copy Setting as JSON'.
Go back to your settings.json file and paste it in there alongside all your other settings like with Shebang.
it should look something like this:
My problem was with python (but this applies to any other language). Go to the line "python": "python -u", and change it to "python": "python3 -u",.
This solved the issue for me. :)