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Since Python was not created for or because of RealFlow, the language does not have functions or instructions for fluid or dynamics simulation by default. The programmers at Next Limit Technologies had to develop certain modules and extensions to implement RealFlow’s set of instructions into Python. This is a very complex and heavy task, because the user needs access to almost all of RealFlow’s functions and data structures. The modules can be used to manipulate emitters, create custom force fields, modify rigid body dynamics parameters, work with RealWave surfaces, and control soft body dynamics features.