##
print $_, "\n" foreach (keys %ITEMS);
__OUTPUT__
58.29
38.55
45.2
29.95
##
##
my %ITEMS = (
29.95 => 'item 1',
38.55 => 'item 2',
"45.20" => 'item 3', # String
45.2 => 'item 3', # Number
58.29 => 'item 4',
);
print $_, "\n" foreach (keys %ITEMS);
__OUTPUT__
58.29
38.55
45.2
45.20
29.95