rabidus-test/Assets/Scripts/UIController.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class UIController : MonoBehaviour
{
    [SerializeField]
    private List<GameObject> _panels = new List<GameObject>();

    public void ShowMenu()
    {
        _panels.ForEach(x => x.SetActive(true));
    }

    public void HideMenu()
    {
        _panels.ForEach(x => x.SetActive(false));
    }
}