{
  'kim-a' =>['20', '30'], 
  'kate-k' =>['40', '50']
} 

##</code><code>##

{ 'kim-a' =>[25], 'kate-k' =>[45]} 

##</code><code>##

{
  'apple-A'=>[30,40,50,60], 
  'Orange-O'=>[40,20,30,60]
} 

##</code><code>##

{'apple-A'=>[45], 'Orange-O'=>[37.5] }