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app.py

@@ -87,7 +87,7 @@ def main():
 
         # Generate sample examples dynamically by executing the instructor's code
         test_cases = [(1, 2), (2, 3), (3, 4)]  
-        sample_examples = "\n".join([f"{func}({', '.join(map(str, params))}) -> {execute_instructor_code(params)}" for params in {test_cases}])
+        sample_examples = "\n".join([f"{func}({', '.join(map(str, params))}) -> {execute_instructor_code(params)}" for params in test_cases])
         show_solution_button = st.form_submit_button("Show Solution")
         if show_solution_button:
             solution = '''def sum(a,b):