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class Node: def __init__( self ,dataval = None ): self .dataval = dataval self .nextval = None class SLinkList: def __init__( self ): self .headval = None # 遍历列表 def traversal_slist( self ): head_node = self .headval while head_node is not None : print (head_node.dataval) head_node = head_node.nextval # 表头插入结点 def head_insert( self ,newdata): Newdata = Node(newdata) Newdata.nextval = self .headval self .headval = Newdata # 表尾插入结点 def tail_insert( self ,newdata): Newdata = Node(newdata) if self .headval is None : self .headval = Newdata return head_node = self .headval while head_node.nextval : head_node = head_node.nextval head_node.nextval = Newdata # 在两个数据结点之间插入 def middle_insert( self ,middle_node,newdata): Newdata = Node(newdata) if middle_node is None : return Newdata.nextval = middle_node.nextval middle_node.nextval = Newdata # 删除结点 def remove_node( self ,newdata): head_node = self .headval if head_node = = None : return if head_node.dataval = = newdata: self .headval = head_node.nextval head_node = None return while head_node is not None : prev = head_node head_node = head_node.nextval if head_node: if head_node.dataval = = newdata: prev.nextval = head_node.nextval lis = SLinkList() lis.headval = Node( 'aa' ) ee = Node( 'bb' ) lis.headval.nextval = ee lis.head_insert( 'cc' ) lis.tail_insert( 'dd' ) lis.middle_insert(ee, "Fri" ) lis.remove_node( 'bb' ) lis.traversal_slist() |
以上就是python操作链表的示例代码的详细内容,更多关于Python链表的资料请关注服务器之家其它相关文章!
原文链接:https://www.cnblogs.com/HHMLXL/p/13589359.html