Remove Linked List Elements

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

class Solution(object):
    def removeElements(self, head, val):
        """
        :type head: ListNode
        :type val: int
        :rtype: ListNode
        """
        # get rid of first replica
        while head and head.val == val:
            head = head.next

        cur = head
        while cur:
            if cur.next and cur.next.val == val:
                cur.next = cur.next.next
            else:
                cur = cur.next

        return head