Untitled

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI; 
using TMPro; 
public class Math : MonoBehaviour
{
    public TextMeshProUGUI op1; 
    public TextMeshProUGUI op2;
    public TextMeshProUGUI operand;
    public TextMeshProUGUI answer1;
    public TextMeshProUGUI answer2;
    public TextMeshProUGUI answer3; 
    //public TextMeshProUGUI op3;
    private int opt1;
    private int opt2;
    int correct;
    private int otherFlag;
    private int otherFlag2;
    private TextMeshProUGUI [] shuffleFlag;
    private int [] answers;
    void Shuffle<int>(ref List<int> list)
    {
        int n = list.Count;
        while (n > 1)
        {
            n--;
            int k = Random.Range(0, n + 1);
            int value = list[k];
            list[k] = list[n];
            list[n] = value;
        }
    }
    // Start is called before the first frame update
    void Start()
    {
        opt1 = Random.Range(-50, 51);
        opt2 = Random.Range(-50, 51);
        correct = opt1 + opt2;
        otherFlag = Random.Range(correct - 10, correct + 10);
        otherFlag2 = Random.Range(correct - 10, correct + 10);
        shuffleFlag = new TextMeshProUGUI[answer1, answer2, answer3];
        answers = new int [otherFlag, correct, otherFlag2];
    }

    // Update is called once per frame
    void Update()
    {
        //string load = "What is" + opt1.ToString() + "+" op2.ToString(); 
        op1.text = opt1.ToString();
        op2.text = opt2.ToString();
        operand.text = "+";
        Shuffle(ref answers);
        for (int i = 0; i < 3; i++){
            shuffleFlag[i].text = answers[i].ToString(); 
        }
        shuffleFlag[0].color = Color.green;
        shuffleFlag[1].color = Color.blue;
        shuffleFlag[2].color = Color.magenta;
    }
}