my $myname = myname();
# or
print myname(), "\n";

##</code><code>##

sub myname {
	my $name = "bill";
}

##</code><code>##

my $myname = myname();
print "my name is $myname\n";

sub myname {
	my $name = "bill";  # notice subtle change in variable name
	return $name;       # not necessary, $myname works too
}                           # but it is not the same $myname ;)