83. 删除排序链表中的重复元素.ipynb

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       "<__main__.ListNode at 0x200a71dfeb8>"
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    "# Definition for singly-linked list.\n",
    "class ListNode:\n",
    "    def __init__(self, x):\n",
    "        self.val = x\n",
    "        self.next = None\n",
    "\n",
    "class Solution:\n",
    "    def deleteDuplicates(self, head: ListNode) -> ListNode:\n",
    "        mylist = ListNode(None)\n",
    "        mylist.next = head\n",
    "        if head == None:\n",
    "            return head\n",
    "        point = head.next\n",
    "        while point != None:\n",
    "            if point.val == head.val:\n",
    "                head.next = point.next\n",
    "            else:\n",
    "                head = head.next\n",
    "            point = point.next\n",
    "        return mylist.next\n",
    "a = ListNode(0)\n",
    "b = ListNode(1)\n",
    "c = ListNode(1)\n",
    "a.next = b\n",
    "b.next = c\n",
    "s = Solution()\n",
    "s.deleteDuplicates(a)"
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