I pass the @sorted to the template( it is perl, it's the Template-Toolkit). I pass it like this.

my $vars = {
            homework => \%homeworkHash,
            homeworks => \@sorted,
        };
my $tt = Template->new({
                INCLUDE_PATH => "/inetpub/wwwroot/lib",
                WRAPPER => 'wrapperInstructor.htm',
                });
                
            $tt->process('ClassGrades.htm', $vars)||die $tt->error();
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The Template then uses the array named homeworks which is identical to @sorted in the perl script. The [% FOREACH key IN homeworks %] just iterates through the array and prints inserts each element into the hash to get the value.