Two of the major selling points of Databricks are listed under the "Autopilot Options" section. You can read more about Python Versions here. In rare cases where we are trying to productionalize existing Python 2 code, then Python 2 can be leveraged. Python 3 is the newest version and should be used in the majority of cases. Long story short, Python 2 and Python 3 are very different languages. Then, we have to decide whether we want to use Python 2 or Python 3. You can read more about Cluster Modes here.
This mode is optimized for multiple users running multiple jobs at the same time. This is the typical cluster mode that is very useful for developing code, performing analyses or running individual jobs. First, we're setting up this cluster in "Standard" mode.