#!/usr/bin/perl
use warnings;
use strict;

my $A = 0;
my $B = 1;

print "Value of \$A = $A and value of \$B = $B\n";

my $c = ($A and $B);
print "Value of \$A and \$B = $c\n";

$c = ($A  && $B);
print "Value of \$A && \$B = $c\n";

$c = ($A or $B);
print "Value of \$A or \$B = $c\n";

$c = ($A || $B);
print "Value of \$A || \$B = $c\n";

$A = 0;
$c = not($A);
print "Value of not(\$A)= $c\n";