$arr1["han"["weight"] : 60
$arr1["han"["height"] : 170
$arr1["seo"["weight"] : 70
$arr1["seo"["height"] : 180

$arr1["han"["weight"] : 60
$arr1["han"["height"] : 170
$arr1["seo"["weight"] : 70
$arr1["seo"["height"] : 180