How to create a Python3 runtime

My AppleScript applet provides a GUI for a Python script. A new version of the Python script requires Python3. That means I need to include a Python3 runtime with my applet (or provide a way for users to install). I know almost nothing about Python.

How can I create a Python3 runtime for users ?

What is in a Python runtime for users ?

Must the runtime be in my applet's bundle or must it be installed somewhere ?

Must the runtime include all the developer tools that come with Python (e.g. IDLE) ?

How to create a Python3 runtime
 
 
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