input: Write a python function to instantiate the classes Other and AbstractParent, then return their values.
  assert get_values() == ('other', 'abstract')
output: def get_values():
      class AbstractParent:
          def __init__(self):
              self.value = 'abstract'
      
      class Other:
          def __init__(self):
              self.value = 'other'
      
      other_instance = Other()
      abstract_parent_instance = AbstractParent()
      
      return (other_instance.value, abstract_parent_instance.value)