 Python has been successfully embedded in many software products as a scripting language , including in finite element method software such as <unk> , 3D parametric modeler like <unk> , 3D animation packages such as 3ds Max , Blender , Cinema 4D , Lightwave , Houdini , Maya , modo , <unk> , Softimage , the visual effects compositor Nuke , 2D imaging programs like <unk> , <unk> , <unk> and Paint Shop Pro , and musical notation program or <unk> capella . GNU Debugger uses Python as a pretty printer to show complex structures such as C + + containers . <unk> promotes Python as the best choice for writing scripts in <unk> . It has also been used in several video games , and has been adopted as first of the three available programming languages in Google App Engine , the other two being Java and Go . 
