Update

app.py

@@ -1,3 +1,9 @@
+# coding: utf-8
+
+# Author: Du Mingzhe (mingzhe@nus.edu.sg)
+# Date: 2025-04-01
+
+import json
 import random 
 import pandas as pd
 import streamlit as st
@@ -22,10 +28,11 @@ if "problem" in st.query_params:
         st.markdown(problem_instance["question_content"])
 
     with st.expander("Test Cases"):
+        test_cases = json.loads(problem_instance["test_cases"])
         df = pd.DataFrame(
             {
-                "input": [problem['input'] for problem in problem_instance["test_cases"]],
-                "output": [problem['output'] for problem in problem_instance["test_cases"]],
+                "input": [test_case['input'] for test_case in test_cases],
+                "output": [test_case['output'] for test_case in test_cases],
             }
         )
         st.dataframe(