Switching between Python 3 7 and 3 8 under Anaconda

Question

What is the rationale for having two versions under pkgs (as in II and III above) but just one default version (as in I)?

Answer 1

In addition to Gino Mempin's response, it's worth adding that under Windows, you can fast switch between Python versions by modifying the PATH environment variable in System Variables under your Environment Variables.

Most people who transition between Python versions, in my experience, use Linux, but for those who use Windows, go to This PC -> Right-click -> Properties -> Advanced System Settings, then from System Properties, go to the Advanced tab, and pick Environment Variables to adjust PATH. You don't have to delete earlier versions of Python; simply add new ones and choose to move them above the others to give them priority.

You'll also need to restart your Command Prompt or Powershell after doing this if you had it open and was using Python before editing the environment variables.

After doing this you'll be able to install and manage packages for the current version of Python that has priority.