leecode 地址:https://leetcode.com/problems/remove-duplicates-from-sorted-list/description/
Given a sorted linked list, delete all duplicates such that each element appear only once.
For example,
Given 1->1->2
, return 1->2
.
Given 1->1->2->3->3
, return 1->2->3
.
class Solution:
def deleteDuplicates(self, head):
h = head
while h!=None:
while h.next != None and h.val == h.next.val:
h.next = h.next.next
h = h.next
return head