[Ruby] hashes

Data structure - Hashes

'key => value' pairs

my_hash = { "name" => "App Academy", "color" => "red", "age" => 5 }
puts my_hash["name"]
my_hash["color"] = "pink"
puts my_hash
my_hash["age"] += 1
puts my_hash
--------------------------------
#=>
App Academy
{"name"=>"App Academy", "color"=>"pink", "age"=>5}
{"name"=>"App Academy", "color"=>"pink", "age"=>6}