write a constraint such that for a memory of 1kb, 30 to 70 address would not select

 module test();

class packet;

rand bit [7:0] a;

constraint c1 { a inside {[0:1023]};}

constraint c2 { ! {[a<30|| a>70]};}

endclass

packet p1=new()

initial

begin

p1.randomize();

$display("the value is = %p", p1.a);

endmodule