Chest Interaction Unity, C#

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

public class ChestScript : MonoBehaviour 
{

public GameObject player; 
public Animator animator;

float interactRange = 1.5f; 
    
private bool inRange = false;

void Update() 
     {
     if (inRange != true)
          {
          animator.SetBool(“IsOpen”, false);
          }
     TestRange(); 
     OpenClose();
     }
void TestRange() 
    {
    if (Vector2.Distance(player.transform.position, this.transform.position) <= interactRange)
        {
        inRange = true;
        animator.SetBool("InRange", true);
        } else
        {
        inRange = false;
        animator.SetBool("InRange", false);
        }
    }
void OpenClose() 
     {
     if (Input.GetKeyDown(KeyCode.E)) & (inRange)
          {
          if (animator.GetBool("IsOpen")                   
               {
               animator.SetBool("IsOpen", false);
               } else
               {
               animator.SetBool("IsOpen", true);
               }
          }
     }

void OnDrawGizmosSelected() 
     {
     Gizmos.color = Color.yellow;
     Gizmos.DrawWireSphere(this.transform.position, interactRange);
     }

}

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