* USING IF/ELSE AND NESTED IF-STATEMENTS
** CONTENT
When using an If statement, an else caluse can be included
to  run  alternate  code   if  the  conditoinal  expression
evaluated by the if statement returns a false value.

            Ex.  if(conditional statement){
                       statements;
                 }
                 else {
                       statement;
                 }

An if statement contained within  an if or if else staement
is called  a nested  if statement, You  need nested  if and
if..  else  statement  perform conditional  evaluations  in
addition to the original conditional evaluation