class Node:
   def __init__(self, data):
      self.data = data
      self.next = None

class LinkedList_structure:
   def __init__(self):
      self.head = None
      self.last_node = None

   def add_vals(self, data):
      if self.last_node is None:
         self.head = Node(data)
         self.last_node = self.head
      else:
         self.last_node.next = Node(data)
         self.last_node = self.last_node.next

def check_equality(list_1, list_2):
   curr_1 = list_1.head
   curr_2 = list_2.head
   while (curr_1 and curr_2):
      if curr_1.data != curr_2.data:
         return False
      curr_1 = curr_1.next
      curr_2 = curr_2.next
   if curr_1 is None and curr_2 is None:
      return True
   else:
      return False

my_linked_list_1 = LinkedList_structure()
my_linked_list_2 = LinkedList_structure()

my_list = input('输入第一个链表的元素：').split()
for elem in my_list:
   my_linked_list_1.add_vals(int(elem))

my_list = input('输入第二个链表的元素：').split()
for elem in my_list:
   my_linked_list_2.add_vals(int(elem))

if check_equality(my_linked_list_1, my_linked_list_2):
   print('这两个链表是相同的')
else:
   print('这两个链表不相同')

输入第一个链表的元素：34 56 89 12 45
输入第二个链表的元素：57 23 78 0 2
这两个链表不相同