Getting all keys or values of hash

[[:foo, "bar"], [:biz, "baz"]] {foo: 'bar', biz: 'baz'}.each #"bar", :biz=>"baz"}:each>"> [[:foo, "bar"], [:biz, "baz"]] {foo: 'bar', biz: 'baz'}.each #"bar", :biz=>"baz"}:each>"> [[:foo, "bar"], [:biz, "baz"]] {foo: 'bar', biz: 'baz'}.each #"bar", :biz=>"baz"}:each>">

{foo: 'bar', biz: 'baz'}.keys   # => [:foo, :biz]
{foo: 'bar', biz: 'baz'}.values # => ["bar", "baz"]
{foo: 'bar', biz: 'baz'}.to_a   # => [[:foo, "bar"], [:biz, "baz"]]
{foo: 'bar', biz: 'baz'}.each   #<Enumerator: {:foo=>"bar", :biz=>"baz"}:each>