round f1_score in built_in qa eval flow

sdk/ai/azure-ai-generative/azure/ai/generative/evaluate/pf_templates/built_in_metrics/qa/f1_score.py

@@ -50,6 +50,7 @@ def lower(text):
         precision = 1.0 * num_common_tokens / len(prediction_tokens)
         recall = 1.0 * num_common_tokens / len(reference_tokens)
 
-        f1 = (2.0 * precision * recall) / (precision + recall)
+        f1 = round(
+            (2.0 * precision * recall) / (precision + recall), 2)
 
     return f1

sdk/ai/azure-ai-generative/azure/ai/generative/evaluate/pf_templates/built_in_metrics/qa/flow.dag.yaml

@@ -194,8 +194,8 @@ nodes:
     type: code
     path: f1_score.py
   inputs:
-    ground_truth: ${inputs.ground_truth}
     answer: ${inputs.answer}
+    ground_truth: ${inputs.ground_truth}
   activate:
     when: ${validate_input.output.f1_score}
     is: true