code: def reduce_l1(attrs, inputs, proto_obj):
      
      new_attrs = translation_utils._fix_attribute_names(attrs, {'axes':'axis'})
      new_attrs = translation_utils._add_extra_attributes(new_attrs,
                                                          {'ord' : 1})
      return 'norm', new_attrs, inputs
docs: Reduce input tensor by l1 normalization.