"id" "assignment" "grade"
"1" "a123" 1 0.251135079190135
"2" "a123" 2 0.219218553509563
"3" "a123" 3 0.0510874814353883
"4" "a123" 4 0.232433769386262
"5" "b123" 1 0.195853862212971
"6" "b123" 2 0.965935328509659
"7" "b123" 3 0.185031761415303
"8" "b123" 4 0.415985848754644
"9" "c123" 1 0.115140522597358
"10" "c123" 2 0.738395209657028
"11" "c123" 3 0.51002648146823
"12" "c123" 4 0.598730703815818
"13" "d123" 1 0.197903210995719
"14" "d123" 2 0.345943773863837
"15" "d123" 3 0.541790363378823
"16" "d123" 4 0.157491844147444
"17" "e123" 1 0.274307472398505
"18" "e123" 2 0.178890791954473
"19" "e123" 3 0.160762958461419
"20" "e123" 4 0.632796509424224