c.py

def post_exam_computation(exam_id): # Requires exam_id
    exam_results = db.get(exam_id) # Requires mocking db
    
    max_score = max(exam_results) # Need exam results
    min_score = min(exam_results)
    
    exam_stats = {"max": max_score, "min": min_score}
    
    db.save(exam_stats) # Requires mocking db