Expected output
List x Size : 5 List y Size : 3 Expected Size : 8 Actual Size : 8 Printing values of Joined List Element 0 : 1 Element 1 : 2 Element 2 : 3 Element 3 : 4 Element 4 : 5 Element 5 : 2 Element 6 : 5 Element 7 : 1 Unique Keys : [1, 2, 3, 4, 5] Found 3 Duplicate Keys Duplicate Keys : [1, 2, 5]