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Sword offer--Flip Chain list (python version)

Source: Internet
Author: User
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Enter a list of all the elements of the linked list after the list is reversed.

#-*-coding:utf-8-*-#class ListNode:#def __init__ (self, x):#self.val = x#Self.next = NoneclassSolution:#back to ListNode    defreverselist (Self, phead):#Write code herePreversedhead = None#Return result nodeCurnode = Phead#Record current nodePrenode = None#record a previous node         whileCurnode! =None:nextnode=Curnode.next # Record the next nodeifNextNode = = None:#if the last node, the node is returnedPreversedhead =Curnode Curnode.next=Prenode Prenode=Curnode Curnode=NextNodereturnPreversedhead

Sword offer--Flip Chain list (python version)

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