Create a list of 5 nodes
head = null ; int i ; for ( i = 5 ; i > 0 ; i -- ) push ( i ) ; Console . Write ( " ▁ list ▁ before : ▁ " ) ; printList ( head ) ; setMiddleHead ( ) ; Console . Write ( " ▁ list ▁ After : ▁ " ) ; printList ( head ) ; } }