Check Python Version
As you improve your basic Python skills, you’re going to find out (usually the hard way) that Python 2.x and Python 3.x are not as compatible as you expected. That’s why it’s important to establish Python version before starting a new project or deploying it into new environment.
Simply use -V option to one of the Python binaries available on your system:
You’ll get the same result if you use –version instead of -V:
If you start Python in interpreter mode, it should report version information at the very start:
You’ll need to press Ctrl+D (or Cmd+D in macOS) to stop Python.
Sometimes you need to check Python version programmatically, from within your Python script. Then your best bet is to use the sys module: