var{total&:0,amount&:0,index&:0,con0&:0}code{start@,12!"enter a number (-1) to get its average: ":0,13!index:0,14!index:-1,17!over:0,4!total:index,2!amount:0,16!start:0,over@,7!total:amount,12!"\nthe average is ":0,12!total:0,12!"\n":0,stop@,0!0:0}