code: def rotation(self, rotation):
          '''Set the rotation of this body using a rotation matrix.
  
          Parameters
          ----------
          rotation : sequence of 9 floats
              The desired rotation matrix for this body.
          '''
          if isinstance(rotation, np.ndarray):
              rotation = rotation.ravel()
          self.ode_body.setRotation(tuple(rotation)f rotation(self, rotation):
          '''Set the rotation of this body using a rotation matrix.
  
          Parameters
          ----------
          rotation : sequence of 9 floats
              The desired rotation matrix for this body.
          '''
          if isinstance(rotation, np.ndarray):
              rotation = rotation.ravel()
          self.ode_body.setRotation(tuple(rotation))
docs: Set the rotation of this body using a rotation matrix.
  
          Parameters
          ----------
          rotation : sequence of 9 floats
              The desired rotation matrix for this body.