<qiyuangong>061_Rotate_List_1.py
def rotate( head, fast, slow):
    fast.next = head
    head = slow.next
    slow.next = None
    return head
def sample_funcname ( var_0 , var_1 , var_2 ) :
    var_1.next = var_0
    var_0 = var_2.next
    var_2.next = None
    return var_0
