Sum of XOR of sum of all pairs in an array | Python3 program to find XOR of pair sums . ; Driver program to test the above function
def xor_pair_sum ( ar , n ) : NEW_LINE INDENT total = 0 NEW_LINE for i in range ( n ) : NEW_LINE INDENT total = total ^ ar [ i ] NEW_LINE DEDENT return 2 * total NEW_LINE DEDENT if __name__ == " _ _ main _ _ " : NEW_LINE INDENT data = [ 1 , 2 , 3 ] NEW_LINE print ( xor_pair_sum ( data , len ( data ) ) ) NEW_LINE DEDENT