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Delete keys in a Linked list (Function Program)
     

Given a single linked list and an integer x your task is to complete the function deleteAllOccurances  which deletes all occurences of a key x present in the linked list. The function takes two arguments: the head of the linked list and an integer x. The function should return the head of the modified linked list.
 

Input:
The first line of input contains an element T, denoting the no of test cases. Then T test cases follow. Each test case contains three lines. The first line of each test case contains an integer N denoting the no of elements of the linked list. Then in the next line are N space separated values of the linked list. The third line of each test case contains an integer x.

Output:
The output for each test case will be the space separated value of the returned linked list.

Constraints:
1<=T<=300
1<=N<=100
1<=x<=N

Example(To be used only for expected output):

Input:
2
5
2 2 1 4 4
4
6
1 2 2 3 2 3
2


Output:
2 2 1
1 3 3

**For More Examples Use Expected Output**


Contributor: Amit Khandelwal


					   
Result:
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