In this script, what is the function of !$_.
get-aduser -searchbase "ou=users,dc=contoso,dc=com" -filter * -properties PasswordExpired, PasswordNeverExpires
if (!$_.PasswordExpired -and !$_.PasswordNeverExpires) { do whatever bla bla bla}
Does if (!$_.PasswordExpired -and !$_.PasswordNeverExpires) mean, if those two vaules are FALSE?