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

$arr2["han"]["weight"] = 60
$arr2["han"]["height"] = 170
$arr2["seo"]["weight"] = 60
$arr2["seo"]["height"] = 180