def is_palindrome(self, l): ol = l nl = linklistnode(l.data) l = l.next while l: nl.insert(l.data) l = l.next print("reverse") nl.print_list() while ol: if ol.data != nl.data: return False ol = ol.next nl = nl.next return True
l = l.next while l: nl.insert(l.data) l = l.next print("reverse") nl.print_list() while ol: if ol.data != nl.data: return False ol = ol.next nl = nl.next return True if __name__ == "__main__": l = linklistnode(3) for i in [5,6,3,7,9,5,6,5,6,3]: l.append(i) l.print_list() helper = linklistutils() helper.rm_dup(l) l.print_list() test(helper.find_kth_end(l, 100), None) test(helper.find_kth_end(l, 1), 6) test(helper.find_kth_end(l, 2), 9) test(helper.find_kth_end(l, 3), 7) pl = linklistnode('r') for i in ['a', 'c', 'e', 'c', 'a','r']: