Perl change codon to AA

CODE 

---

#!/usr/bin/perl
use strict;
use warnings;

my @bases=("u","c","a","g");
my @AA=("F","F","L","L","S","S","S","S","Y","Y",".",".","C","C",".","W","L","L","L","L","P","P","P","P",
  "H","H","Q","Q","R","R","R","R","I","I","I","M","T","T","T","T","N","N","K","K","S","S","R","R",
  "V","V","V","V","A","A","A","A","D","D","E","E","G","G","G","G");

my %codon;
my $var;
my %result;

for (my $i=0;$i<4;$i++) {
for (my $j=0;$j<4;$j++) {
for (my $k=0;$k<4;$k++) {
 $var=$bases[$i]. $bases[$j]. $bases[$k];
 $codon{$var} = $AA[16*($i)+4*($j)+($k)];

}}}

print %codon , "\n";

print $codon{"uuu"};

 

Result

---

gggGuucFgguGaugMccaPauuIaacNccuPggaGacuTucuSgcuAcuuLcguRuuuFguuVgccAcuaLaucIggcGgagE

aauNcugLgauDaccTaagKuga.cgaRgcgAuuaLuaa.acgTgugVcauHuguCgcaAgucVuccSuacYagcSuauYucaS

acaTuugLauaIccgPcacHgaaEgacDcagQcggRcccPaggRaguSuag.cgcRguaVuggWugcCucgSagaRcucLaaaKcaaQ

F