Use Ruby hash value inside of hash -

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Is there any way to do something like this: 

  number = {"one" = & Gt; "Two", "three" = & gt; Number ["a"]}   
 I know that I can just make a hash and can generally set anything like "numbers" ["a"]  I'm ... but ugly ...   
 
 
 No, because  number  right now Not defined, but you can create items assigned more than one variable:  
  # looks strange, but ok ... def_num = "two" numbers = {'one '= & Gt; Def_num, 'two' = & gt; Def_num}

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