how to make main camera follow player unity code example

Example: how to make camera follow player unity 2d

public class CameraFollow : MonoBehaviour {

    public GameObject Target;
    private Vector3 Offset;


    // Start is called before the first frame update
    void Start() {

        Offset = transform.position - Target.transform.position;
        
    }

    // Update is called once per frame
    void Update() {
    
        transform.position = Target.transform.position+Offset;

        
    }
}