error CS1519: Unexpected symbol & error CS0102: The type `SimpleCarController' already contains

how to resolve errors

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

public class SimpleCarController : MonoBehaviour {

    public void GetInput()   
    {
        m_horizontalInput = Input.GetAxis("Horizontal");
        m_verticalInput = Input.GetAxis("Vertical");
    }

    public void Steer()   
    {
        m_steeringAngle= maxSteerAngle * m_horizontalInput;
        frontDriverW.steerAngle = m_steeringAngle;
        frontPassengerW.steerAngle = m_steeringAngle;
        
    }

    public void Accelerate()   
    {
        frontDriverW.motorTorque = m_verticalInput * motorForce;
    }    frontPassengerW.motorTorque = m_verticalInput * motorForce;

    public void UpdateWheelPoses()   
    {
        UpdateWheelPose(frontDriverW, frontDriverT);   
        UpdateWheelPose(frontPassengerW, frontPassengerT);
        UpdateWheelPose(rearDriverW, rearDriverT);
        UpdateWheelPose(rearPassengerW, rearPassengerT);
    }

    public void UpdateWheelPose(WheelCollider _collider, Transform _transform)   
    {
        Vector3 _pos = _transform.position;
        Quaternion _quat = _transform.rotation;
       
        _collider.GetWorldPose(out _pos, out _quat);

        _transform.position = _pos;
        _transform.rotation = _quat;
    }

    private void FixedUpdate()
    {
        GetInput();
        Steer();
        Accelerate();
        UpdateWheelPoses();
    }

    private float m_horizontalInput;
    private float m_verticalInput;
    private float m_steeringAngle;

    public WheelCollider frontDriverW, frontPassengerW;
    public WheelCollider rearDriverW, rearPassengerW;
    public Transform frontDriverT, frontPassengerT;
    public Transform rearDriverT, rearPassengerT;
    public float maxSteerAngle = 30;
    public float motorForce = 50;
}

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