our %services = (
    1 => {
        name => "service1",
        host => { host1 => 1 },
    },

    2 => {
        name => "service2",
        host => { host0 => 2, host5 => 2 },
    },
);

print "----------------Menu-----------------------------------------\n";
print "Please enter the number of the service and press return\n";
print "-------------------------------------------------------------\n";
for $row (sort keys %services){
        my $service=$services{$row};
        print "$row\t $service->{ name }\n";
}
print "Please enter number -->";