utf8 bloody chars

thorvald has asked for the wisdom of the Perl Monks concerning the following question:

Also new in perl. I'm following "Learning Perl" from O'Reilly and want to print greek letters. Here's what I do:

use 5.010;
use utf8;
$pi_char = chr(OxO3c9);
print "Greek letter here $pi_char\n";
[download]

However, in the output I get:

Greek letter here
[download]