Select Code to Download

use strict; use warnings;

...
def,phyton\tjavascript,2
abc,perl\terlang\tlisp,1
ghi,arc\truby\tprolog,3

my %dd;
$dd{'1'}{'2'}{'3'}="hi";
$dd{'1'}{'3'}{'5'}="hello";
print "\nkeys in hash: ", join ' ', keys %{ $dd{'1'} };