var reversePrint = function(head) {
var node = head;
var res = []
while(node){
res.push(node.val)
node = node.next
}
res.reverse()
return res
};
var reversePrint = function(head) {
var node = head;
var res = []
while(node){
res.push(node.val)
node = node.next
}
res.reverse()
return res
};