HI PPLLLLLL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ok all you have to do is create a riddle and try to solve the one before you. it'll be fun! i'll start...... when you pull me, you enter. when you push me, you leave. I am the boundary between old and new places. i go to the right, i go up down left, and sometimes split in half! what am i?