PaddleScript

public class PongPaddle : MonoBehaviour
{
    [SerializeField] private float speed = 5f;

    [Range(1, 2)]
    [SerializeField] private int playerNumber = 1;

    private void Update()
    {
        Move();
    }

    private void Move()
    {
        float y = Input.GetAxisRaw("Vertical" + playerNumber);

        float speedDir = y * speed * Time.deltaTime;
        transform.position += new Vector3(0, speedDir, 0);
    }
}