List::Util 

• Core perl module (since 5.8)

use List::Util qw(
    reduce any all none notall first
    max maxstr min minstr product sum sum0
    pairs unpairs pairkeys pairvalues
    pairfirst pairgrep pairmap
    shuffle uniq uniqnum uniqstr
);

my @cards = shuffle( 0..51 );

my $best  = max(@scores);
my $worst = min(@scores);
my $mean  = sum(@scores) / @scores;