thing1:
    item1: [banana]
    item2: [pineapple, kiwi, grapes]
thing2:
    item1: [apple, pear]

##</code><code>##

foreach my $clientcode ( @{%client_list{$session}}->{clientrate}} ) {

##</code><code>##

Using a hash as a reference is deprecated at ./test.pl line 258