Ned Deily added the comment:
I'm sorry you ran into this but, unfortunately, the binaries from Python.org
macOS installers prior to 3.7 do not work on macOS 11 Big Sur. Since Python 3.6
and 3.7 are in the security-fix-only phase of the life cycles, we do not
provide support on them for new
New submission from Xinmeng Xia :
Python 3.6 can work well on old version of MacOS. When I upgrade MacOS to the
latest version Big Sur 11.2.3. Python 3.6 fails to start and crashes. Python
3.7, 3.8, 3.9 can perform well on the new version MacOS Big Sur 11.2.3. The
crash information attached
