class_docstr: An AccumulatorParam that uses the + operators to add values. Designed for simple types
  such as integers, floats, and lists. Requires the zero value for the underlying type
  as a parameter.
code: def zero(self, value: U) -> U:
      return self.zero_value
  
imports: import sys
  import select
  import struct
  import socketserver
  import threading
  from typing import Callable, Dict, Generic, Tuple, Type, TYPE_CHECKING, TypeVar, Union
  from pyspark.serializers import read_int, CPickleSerializer
  from pyspark.errors import PySparkRuntimeError
label_desc: Use image node_id 2 for calling the AddingAccumulatorParam obj's underlying member method code with example usage: obj.zero(value) and returns: self