Hash.new(0) code example
Example 1: how to access hash value ruby
my_hash.values_at("key1", "key2") #=> ["value1", "value2"]
Example 2: how to access hash value ruby
my_hash["key"] #=> "value"
my_hash.values_at("key1", "key2") #=> ["value1", "value2"]
my_hash["key"] #=> "value"