[17] pry(main)> @my_hash = { a: "blah1", b: "blah2" }
=> {:a=>"blah1", :b=>"blah2"}
[18] pry(main)> cd @my_hash
[19] pry(#<Hash>):1> keys
=> [:a, :b]
[20] pry(#<Hash>):1>