code: def __str__(self):
      string = f"translation: {self.t}, rotation: {self.r}"
      return string
  
imports: import numpy
  from geometry import transformations
  from geometry.basics import Translation, Rotation, UnstableRotation
label_desc: Use image node_id 2 for calling the CameraPose obj's underlying member method code with example usage: obj.__str__() and returns: string