我是一名Perl的新手,希望能够循环遍历这个JSON数据并将其打印到屏幕上。请问怎么做呢?
$arr = '[{"Year":"2012","Quarter":"Q3","DataType":"Other 3","Environment":"STEVE","Amount":125},{"Year":"2012","Quarter":"Q4","DataType":"Other 2","Environment":"MIKE","Amount":500}]';