Scriptum/Assets/DisplayExpStatus.cs

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

public class DisplayExpStatus : MonoBehaviour
{

    public GameObject expText;
    public static KeyCode keyToExp;
    
    private void Start()
    {
        DisplayHealthStatus.keyToHealth = (KeyCode) System.Enum.Parse(typeof(KeyCode), PlayerPrefs.GetString("EXP HEALTH"));
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetKeyDown(keyToExp))
        {
            expText.SetActive(true);
        }
        if (Input.GetKeyUp(keyToExp))
        {
            expText.SetActive(false);
        }   
    }
}