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app.py

@@ -25,6 +25,14 @@ def check_solution(instructor_code, student_code, function_name, test_cases):
 
         if not callable(instructor_function):
             raise ValueError(f"{instructor_function} is not a callable function.")
+        
+        # Execute student's code
+        globals_dict = {}
+        exec(student_code, globals_dict)
+        student_function = globals_dict.get(function_name)
+
+        if not callable(student_function):
+            raise ValueError(f"{function_name} is not a callable function.")
 
         # Run the tests and populate the results table
         expected_result_list = []