# to modify what's in the second hash
$array_of_hashes[1]->{hashkey1} = "ay carumba!";
# $array_of_hashes[1]{hashkey1} would also work!

# to iterate over the hashes

foreach my $hashref (@array_of_hashes) {
# $hashref is now a reference to one of the hashes in @array _of_hashes
# we need to de-reference to go through the keys of the hash
	foreach (keys %$hashref) {
		print "$_ => ", $hashref->{$_}, "\n";
	}
}