{ 'a' 1 'b' 2 'c' 3.14 'd' 'xyz' } as a_hash
a_hash print
hash (4 items)
a => 1
b => 2
c => 3.14
d => "xyz"
a_hash 'c' get # get key 'c'
6.28 a_hash 'c' set # set key 'c'
a_hash.'c' # get key 'c' shorthand
6.28 a_hash:'c' # set key 'c' shorthand