b) Write a Pandas program to merge (left, outer, right, cross, inner) the two data frames using keys and write the output. Test Data: datal: 272 key! key2 P Q O 1 2 KO 3 SAREE K1 KO P2 K2 3 data2: PO QO Pl 81 K2 K1 93 keyl key2 R S KO KO RO SO 02 02 03 81 KO R1 51 KO R2 $2 KO R3 S3