ID	Final	Class grade
1	77	B
2	73.5	B
3	52.5	B
4	55	B
5	93	A
7	74.5	B
8	82.5	A
9	55	B
10	100.5	A
11	105	A
12	93.5	A
13	97	A
14	83	A
15	67	B
16	40.5	C
17	94.5	A
18	68.5	B
19	69	B
20	60.5	C
21	87	B
22	98	A
23	91.5	A
24	102	A
25	43.5	C
26	76	B
27	78	B
28	89.5	A
29	99	A
33	93	A