student number,marks(%) 00 0012,80.00 0000001,85.00 0000001,95.00 0000002,90.00 0000003,70.00 0000004,0.00 0000005,85.00 0000006,75.00 0000007,55.00 0000008,80.00 0000009,80.00 0000010,95.00 0000013,70.00 0000014,75.00 0000015,75.00 0000016,85.00 0000017,95.00 0000018,95.00 0000019,70.00 0000020,90.00