大家好，又见面了，我是你们的朋友全栈君。
在做leetcode简单题的时候发现了python的listcode，记录一下。
源自：
https://www.cnblogs.com/yuanmingzhou/p/9661152.html
class Node(object):
def __init__(self):
self.val = None
self.next = None
class Node_handle():
def __init__(self):
self.cur_node = None
# 查找
def find(self,node,num,a = 0):
while node:
if a == num:
return node
a += 1
node = node.next
# 增加
def add(self,data):
node = Node()
node.val = data
node.next = self.cur_node
self.cur_node = node
return node
# 打印
def printNode(self,node):
while node:
print ('\nnode: ', node, ' value: ', node.val, ' next: ', node.next)
node = node.next
# 删除
def delete(self,node,num,b = 1):
if num == 0:
node = node.next
return node
while node and node.next:
if num == b:
node.next = node.next.next
b += 1
node = node.next
return node
# 翻转
def reverse(self,nodelist):
list = []
while nodelist:
list.append(nodelist.val)
nodelist = nodelist.next
result = Node()
result_handle =Node_handle()
for i in list:
result = result_handle.add(i)
return result
if __name__ == "__main__":
l1 = Node()
ListNode_1 = Node_handle()
l1_list = [1, 8, 3]
for i in l1_list:
l1 = ListNode_1.add(i)
ListNode_1.printNode(l1)
l1 = ListNode_1.delete(l1,0)
ListNode_1.printNode(l1)
l1 = ListNode_1.reverse(l1)
ListNode_1.printNode(l1)
l1 = ListNode_1.find(l1,1)
ListNode_1.printNode(l1)
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