[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)>