perl 引用

1 $a = [
2     [1, 2, 3],
3     [4, 5, 6],
4     [7, 8, 9]
5 ]

 1 my $student_properties_of = {
 2     ‘zdd‘ => {
 3         ‘age‘ => 30,
 4         ‘hight‘ => 170,
 5         ‘id‘ => ‘001‘,
 6     },
 7 
 8     ‘autumn‘ => {
 9         ‘age‘ => 27,
10         ‘hight‘ => 165,
11         ‘id‘ => ‘002‘,
12     }
13 } ;