Python 3.7 and 3.8 installed from the  Windows Store do not start under git bash. Rather, they give some variation of this error message:

bash: /c/Users/pa/AppData/Local/Microsoft/WindowsApps/python: Permission denied

However, the permissions are rwxr-xr-x, or 755 if you prefer. The same error occurs if I try to run pip.

How can I run python under git bash? I use python and various pip-installed executables (e.g. black) for git hooks, so this has to work for my workflow.