# Wrong:
print "hope 1 @{$months->[$i]}\n";
print "hope 2 $monthhash{trim(@{$months->[$i]})}\n";
print "hope 2A $monthhash{@{$months->[$i]}}\n";

# Right:
print "hope 1 $months->[$i][0]\n";
print "hope 2 $monthhash{trim($months->[$i][0])}\n";
print "hope 2A $monthhash{$months->[$i][0]}\n";