add exams

src/tasks.py

@@ -91,4 +91,13 @@ class Comprehension(Task):
     private_test: bool = True
 
 
-TASKS = [Arc, HellaSwag, MMLU, TruthfulQA] + [Lambada, WikipediaQA, Comprehension]
+class Exams(Task):
+    code = "exams_vi"
+    name = "Exams-vi"
+    metric = "acc_norm"
+    higher_is_better = True
+    num_fewshot = 5
+    private_test: bool = True
+
+
+TASKS = [Arc, HellaSwag, MMLU, TruthfulQA] + [Lambada, WikipediaQA, Comprehension, Exams]