using System.Collections.Generic;
using Random = UnityEngine.Random;

public class Utils
{
    public static void Shuffle<T>(List<T> list)  
    {  
        int n = list.Count;
        while (n > 1) {  
            n--;  
            int k = Random.Range(0, n + 1);  
            T value = list[k];  
            list[k] = list[n];  
            list[n] = value;  
        }  
    }
}