// Sets the position to be somewhere inside a circle
    // with radius 5 and the center at zero.
    var newPosition : Vector2 = Random.insideUnitCircle * 5;
    transform.position.x = newPosition.x;
    transform.position.y = newPosition.y;

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    public Vector2 newPosition = Random.insideUnitCircle * 5;
    void Example() {
        transform.position.x = newPosition.x;
        transform.position.y = newPosition.y;
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    public newPosition as Vector2 = (Random.insideUnitCircle * 5)

    def Example():
        transform.position.x = newPosition.x
        transform.position.y = newPosition.y