need idea to reduce size of my code

Code (CSharp):

1. using System.Collections;
2. using System.Collections.Generic;
3. using UnityEngine;
4. public class test : MonoBehaviour {
5.     void Start () {
6.         var a1 = new GameObject ();
7.         var a2 = new GameObject ();
8.         a2.transform.parent = a1.transform;
9.         var a3 = new GameObject ();
10.         a3.transform.parent = a2.transform;
11.         var a4 = new GameObject ();
12.         a4.transform.parent = a3.transform;
13.         var a5 = new GameObject ();
14.         a5.transform.parent = a1.transform;
15.         var a6 = new GameObject ();
16.          a6.transform.parent = a5.transform;
17.         var a7 = new GameObject ();
18.         a7.transform.parent = a6.transform;
19.  
20.         a1.AddComponent<SpriteRenderer> ();
21.         a2.AddComponent<SpriteRenderer> ();
22.         a3.AddComponent<SpriteRenderer> ();
23.         a4.AddComponent<SpriteRenderer> ();
24.         a5.AddComponent<SpriteRenderer> ();
25.         a6.AddComponent<SpriteRenderer> ();
26.         a7.AddComponent<SpriteRenderer> ();
27.     }
28. }

the problem is here that i have to add SpriteRenderer to all objects one by one,it would be very better if i could put them into an array then use a for loop to add SpriteRenderer , but i don't know how,can some one help me?(i want it to be a local thing)

 

Code (CSharp):

1. var list = new List<GameObject>();
2.  
3. for (int n=0; n<6; ++n)
4. {
5.     var go = new GameObject();
6.     go.AddComponent<SpriteRenderer>();
7.  
8.     list.Add(go);
9. }

The code creates 6 GameObject's, adds a SpriteRenderer Component and then adds the GameObject to a list. You still need to assign the parent in order to match the bahavior of the code you posted.