Initializing help system before first use

python3

The python3 module makes it possible to easily exchange data with Python 3 and execute Python 3 scripts.
Python is an interpreted programming language for general-purpose programming that has also become popular for scientific and numeric computing. The reference implementation (CPython) is available as Free Software under the terms of the Python Software Foundation License, which is compatible with the GNU General Public License.
To use this module, the following line must be included in the header of the Mosel model file:

  uses "python3"