unity how to move an object to another object

C#
// 3D
transform.position = new Vector3(GameObject.Find("Object").transform.position.x, GameObject.Find("Object").transform.position.y, GameObject.Find("Object").transform.position.z);

// 2D
transform.position = new Vector2(GameObject.Find("Object").transform.position.x, GameObject.Find("Object").transform.position.y);

Source

Also in C#: