Sample data for HW5Q1.  You may cut-and-paste this into your code.

%student_data = ( jerry   => {
                               quiz1 => '72',
                               quiz2 => '84',
                               quiz3 => '88',
                               quiz4 => '86',
                             },
                  stacy   => {
                               quiz1 => '93',
                               quiz2 => '98',
                               quiz3 => '100',
                             },
                  reza    => {
                               quiz1 => '100',
                               quiz2 => '82',
                               quiz3 => '61',
                               quiz4 => '44',
                             },
                  vonetta => {
                               quiz1 => '62',
                               quiz2 => '97',
                               quiz3 => '81',
                               quiz4 => '88',
                               quiz5 => '100',
                             },
                 );