class_docstr: Element-wise sum of input arrays.
class_docstr_tok: ["Element-wise","sum","of","input","arrays","."]
code: def forward_cpu(self, inputs):
      y = sum(inputs)
      return (utils.force_array(y),)
  
file_path: chainerrl/chainerrl/functions/sum_arrays.py
imports: from chainer import cuda
  from chainer import function
  from chainer import utils
  from chainer.utils import type_check
label_desc: Use image node_id 2 for calling the SumArrays obj's underlying member method code with example usage: obj.forward_cpu(inputs) and returns: utils