output the subroutine arguments using special variable @_
displayArguments( "A", "B", 2, 15, 73, 2.79 );
# output the subroutine arguments using special variable @_
sub displayArguments
{
# the following loop displays each individual argument for ( $i = 0; $i < @_; ++$i ) {
print "Argument $i: $_[ $i ]\n";
}