question: get the city id . concode_field_sep Map<String,Object> weather concode_elem_sep String id concode_elem_sep String units concode_field_sep Map<String,Object> getWeather concode_elem_sep void setWeather concode_elem_sep String getUnits concode_elem_sep void setId concode_elem_sep void setUnits
target: String function ( ) { return id ; }