在备战考研的征途上，数据结构是计算机科学与技术专业考生必须掌握的核心知识。以下是一段针对考研数据结构科目的代码示例，旨在帮助考生巩固知识点：
```python
定义链表节点类
class ListNode:
def __init__(self, value=0, next_node=None):
self.value = value
self.next = next_node
创建链表
def create_linked_list(values):
head = ListNode(values[0])
current = head
for value in values[1:]:
current.next = ListNode(value)
current = current.next
return head
遍历链表
def traverse_linked_list(head):
current = head
while current:
print(current.value, end=' ')
current = current.next
print()
合并两个有序链表
def merge_sorted_linked_lists(l1, l2):
dummy = ListNode(0)
current = dummy
while l1 and l2:
if l1.value < l2.value:
current.next = l1
l1 = l1.next
else:
current.next = l2
l2 = l2.next
current = current.next
current.next = l1 or l2
return dummy.next
主函数
if __name__ == '__main__':
创建两个有序链表
l1 = create_linked_list([1, 2, 4])
l2 = create_linked_list([1, 3, 4])
合并链表
merged_list = merge_sorted_linked_lists(l1, l2)
遍历合并后的链表
traverse_linked_list(merged_list)
```
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