Transform.position  

// Move the object to (0, 0, 0)
transform.position = Vector3(0, 0, 0);

// Print the x component of the position to the Console
print(transform.position.x);

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
void Awake() {
transform.position = new Vector3(0, 0, 0);
print(transform.position.x);
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

def Awake():
transform.position = Vector3(0, 0, 0)
print(transform.position.x)