$quick->{brown}->{fox} ->{$jumped} = 1 / $Lazy_dog;

##</code><code>##

$stateCityPopulation =
 {Illinois => {Springfield => 116482},
  Massachusets => {Springfield => 154082},
  Missouri   => {Springfield => 150797}}};

##</code><code>##

 
foreach my $state (qw(Illinois Massachusets Ohio Missouri)){
  my $pop = $stateCityPopulation->{$state}->{Springfield} || next;
  $springfielders += $pop}

##</code><code>##

$pop = ($stateCityPopulation->{$state} && 
        $stateCityPopulation->{$state}->{Springfield}) || 
        next;