Lucy Ricardo<br />Ethel Mertz<br />Class vars:<br /><pre>Array
(
    [first_name] => 
    [last_name] => 
    [country] => None
)
</pre>Object vars:<br /><pre>Array
(
    [first_name] => Lucy
    [last_name] => Ricardo
    [country] => None
)
</pre>Property first_name exists in Student class.<br>