title: creating the dictionary of array in objective-c
body: <p>I am developing the app for kids and I need to Create a dictionary of the array as like {"A":[apple, Ant, Airplane], "B":[....],...}. And from that, I need to get the value as A for Apple, A for Ant, Airplane.
   I tried with code:</p>
  
  <pre><code> alphabetsStoreArray = [[NSMutableArray alloc]initWithObjects:@"a.png",@"b.png",@"c.png",@"d.png",@"e.png",@"f.png",@"g.png",@"h.png",@"i.png",@"j.png",@"k.png",@"l.png",@"m.png",@"n.png",@"o.png",@"p.png",@"q.png",@"r.png",@"s.png",@"t.png",@"u.png",@"v.png",@"w.png",@"x.png",@"y.png",@"z.png", nil];
  </code></pre>
  
  <p>But I need to get as I mentioned below.</p>