how to use route group namespace in laravel code example

Example 1: laravel route namespace and prefix

Route::prefix('admin')->group(function () {
    Route::get('/users', function () {
        // Matches The "/admin/users" URL
    });
});

Example 2: laravel route namespace and prefix

use App\Models\User;

Route::get('/users/{user}', function (User $user) {
    return $user->email;
});