Create an L{Accumulator} with the given initial value, using a given
        L{AccumulatorParam} helper object to define how to add values of the
        data type if provided. Default AccumulatorParams are used for integers
        and floating-point numbers if you do not provide one. For other types,
        a custom AccumulatorParam can be used.

def accumulator(self, value, accum_param=None):
        """
        Create an L{Accumulator} with the given initial value, using a given
        L{AccumulatorParam} helper object to define how to add values of the
        data type if provided. Default AccumulatorParams are used for integers
        and floating-point numbers if you do not provide one. For other types,
        a custom AccumulatorParam can be used.
        """
        if accum_param is None:
            if isinstance(value, int):
                accum_param = accumulators.INT_ACCUMULATOR_PARAM
            elif isinstance(value, float):
                accum_param = accumulators.FLOAT_ACCUMULATOR_PARAM
            elif isinstance(value, complex):
                accum_param = accumulators.COMPLEX_ACCUMULATOR_PARAM
            else:
                raise TypeError("No default accumulator param for type %s" % type(value))
        SparkContext._next_accum_id += 1
        return Accumulator(SparkContext._next_accum_id - 1, value, accum_param)