def reduce_mean(input_tensor, axis = nil, keepdims: false, name: nil)
      reduce(:mean, input_tensor, axis, keepdims: keepdims, name: name)
    end
def reduce_mean(input_tensor, axis = nil, keepdims: false, name: nil)
      reduce(:mean, input_tensor, axis, keepdims: keepdims, name: name)
    end
Computes the mean of elements across dimensions of a tensor.