def update_student_info(student_id, new_data):
try:
with open('student_data.json', 'r') as f:
data = json.load(f)
if student_id in data:
data[student_id].update(new_data)
with open('student_data.json', 'w') as f:
json.dump(data, f)
return True
else:
return False
except Exception as e:
print(f"Error: {e}")
return False
SELECT * FROM students ORDER BY score DESC, attendance_rate DESC;
这样就能按照成绩和出勤率对学生进行排名了。
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