Assignment Create a Reference Dereference Dereference with Arrow $sca= 5; $p = \$sca; print $$p; @arr=(4,5,6); $p = \@arr; print @$p; $p->[0] print $$p[0]; %hash=(key=>'value'); $p = \%hash; print %$p; $p->{key} print $$p{key};