code: def deepcopy(obj):
      
      if isinstance(obj, JavaObject):
          wrapped = True
          jobject = obj.jobject
      else:
          wrapped = False
          jobject = obj
      try:
          serialized = javabridge.make_instance("weka/core/SerializedObject", "(Ljava/lang/Object;)V", jobject)
          jcopy = javabridge.call(serialized, "getObject", "()Ljava/lang/Object;")
          if wrapped:
              jcopy = obj.__class__(jobject=jcopy)
          return jcopy
      except JavaException as e:
          print("Failed to create copy of " + classes.get_classname(obj) + ": " + str(e))
          return None
docs: Creates a deep copy of the JavaObject (or derived class) or JB_Object.
  
      :param obj: the object to create a copy of
      :type obj: object
      :return: the copy, None if failed to copy
      :rtype: object