Ruby的哈希变量和类似于json的数据

#键值对
mvp_rank={
    "curry"=>28.1,
    "harden"=>30.3,
    "lebron"=>26
}

puts mvp_rank
puts mvp_rank["harden"]

player={
    name:"harden",
    age:28,
    point:30.3
}

puts player
puts player[:name]+","+player[:age].to_s+","+player[:point].to_s

输出如下