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SELECT
s.student_id,
s.name,
(s.exam_score * 0.6 + s.regular_score * 0.4) AS total_score
FROM
scores s
ORDER BY
total_score DESC;
]]>
SELECT
s.student_id,
s.name,
(s.exam_score * 0.6 + s.regular_score * 0.4 + s.activity_score * 0.1) AS total_score
FROM
scores s
ORDER BY
total_score DESC;
]]>
import pandas as pd
# 读取CSV文件
df = pd.read_csv('scores.csv')
# 计算总分
df['total_score'] = df['exam_score'] * 0.6 + df['regular_score'] * 0.4 + df['activity_score'] * 0.1
# 按总分降序排序
ranked_df = df.sort_values(by='total_score', ascending=False)
# 输出结果
print(ranked_df[['student_id', 'name', 'total_score']])
]]>