use strict; $a = 8; #Try using 7 and see how second loop does not evaluate correctly ## Examples # $a = 44 evaluates ok for both options # $a = 33 evaluates ok for both options # $a = 3 does not evalute correctly on Option Not Equal # $a = 77 does not evalute correctly on Option Not Equal # $a = 8 does not evalute correctly on Option Not Equal ## Option Equal if (($a == 3) || ($a == 77) || ($a == 8)) { print "$a must be a 3 77 or 8\n"; } else { print "$a is not a 3 77 or 8\n"; } print "\n"; ## Option Not Equal if (($a != 3) || ($a != 77) || ($a != 8)) { print "$a is not a 3 77 or 8\n"; } else { print "$a is a 3 77 or 8\n"; }