MY DATA ------- BID DEPT QTY 1 AAA 21 1 SSS 22 2 SSS 25 2 AAA 21 2 DDD 36 3 AAA 52 3 SSS 63 1 DDD 41 2 FFF 52 EXPECTING OUTPUT ---------------- BID DEPT QTY 1 AAA 21 SSS 22 DDD 41 2 SSS 25 AAA 21 DDD 36 FFF 52 3 AAA 52 SSS 63 What I have tried: am just want to learn...