It is very different from Python version 2, so do not assume that Python 3 will work for you or that all older modules will work with version 3. Python 2 is available but is no longer supported by the Python Foundation, so we recommend you use Python 3. Python version 3 requires the python3 command or pip3 list to differentiate.
Different versions of python are available on HPC both as system modules as well as system software on each compute node.