[5] pry(main)> k = {}=> {}[6] pry(main)> k['麀'] = 'jee'=> "jee"[7] pry(main)> p k{"麀"=>"jee"}=> {"麀"=>"jee"}[8] pry(main)> pp k{"麀"=>"jee"}=> {"麀"=>"jee"}[9] pry(main)>