Remove Duplicates from Sorted List II

Given the head of a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. Return the linked list sorted as well.

Constraints

  • The number of nodes in the list is in the range [0, 300].
  • -100 <= Node.val <= 100.
  • The list is guaranteed to be sorted in ascending order.
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# Definition for singly-linked list.
# class ListNode:
# def __init__(self, val=0, next=None):
# self.val = val
# self.next = next

class Solution:
def removeDuplicates(self, head) -> ListNode:
pass

Console

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