interviewbit-linked-lists-remove-duplicates-from-sorted-list.py

# Definition for singly-linked list.
# class ListNode:
#     def __init__(self, x):
#         self.val = x
#         self.next = None

class Solution:
    # @param A : head node of linked list
    # @return the head node in the linked list
    def deleteDuplicates(self, A):
        current = A
        while current:
            while current.next and current.val == current.next.val:
                current.next = current.next.next
            current = current.next

        return A