code: def transform(self, input_object):
      t3 = Type3(s=input_object.x * 1000, t=input_object.y - 100)
      return [t3]
  
imports: import collections
  from absl.testing import absltest
  from magenta.pipelines import dag_pipeline
  from magenta.pipelines import pipeline
  from magenta.pipelines import statistics
label_desc: Use image node_id 2 for calling the UnitB obj's underlying member method code with example usage: obj.transform(input_object) and returns: list