if ($ele eq 0){
        } else {
            if ($ele eq 1){
                print "Condition: ele is 1\n";
            } else {
                print "Condition: ele is neither 1 nor 0\n";
            }
      
        }

##</code><code>##

        if ($ele ne 0){
            if ($ele eq 1){
                print "Condition: ele is 1\n";
            } else {
                print "Condition: ele is neither 1 nor 0\n";
            }
      
        }

##</code><code>##

        unless ($ele eq 0){
            if ($ele eq 1){
                print "Condition: ele is 1\n";
            } else {
                print "Condition: ele is neither 1 nor 0\n";
            }
      
        }

##</code><code>##

            if ($ele eq 1){
                print "Condition: ele is 1\n";
            } elsif ($ele ne 0) {
                print "Condition: ele is neither 1 nor 0\n";
            }

##</code><code>##

            if ($ele == 1) {
                print "Condition: ele is 1\n";
            } elsif ($ele > 1) {
                print "Condition: ele is neither 1 nor 0\n";
            }