classPoint3D: X=0.0 Y=0.0 Z=0.0 defgetX(self): returnself.X; defgetY(self): returnself.Y; defgetZ(self): returnself.Z; def__init__(self,x,y,z=0): self.X=x self.Y=y self.Z=z importnumpyasnp importmath fromdecimalimportDecimal fromapp.static.test.Point3DimportPoint3D classCoordinateConversio...