How to run python3 code in VSCode? /bin/sh: 1: python: not found

I'm trying to run a python file in VSCode using python3.

I know I can fix by simply setting to run using integrated terminal like it says in the microsoft vscode tutorial on python. However, I would like the program to print in the output tab and not take up the terminal window.

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The standard code runner config file launch.json, looks like this;

"version": "0.2.0","configurations": [    {"name": "Python: Current File","type": "python","request": "launch","program": "${file}","console": "integratedTerminal"    }]

I've tried to set my python path in VSCode in settings.json

..."python.pythonPath": "python3","code-runner.executorMap": {"python3": "/usr/bin/python3"}

I've also set an alias for python -> python3 (as my ubuntu 20.04 doesn't come with python2 anymore)

alias python="python3"

However, I keep getting the above error. Any Ideas?