← 返回题库
初级

查询最昂贵的销售记录

未完成
初级参考 完整示例代码供参考,建议自己理解后重新输入
def solve():
    import sqlite3
    import pandas as pd
    conn = sqlite3.connect(':memory:')
    df = pd.read_csv('https://liangdaima.com/static/data/ds_sales.csv')
    df.to_sql('sales', conn, index=False)
    result = conn.execute('SELECT product, quantity, price, quantity*price AS total FROM sales ORDER BY total DESC LIMIT 5').fetchall()
    conn.close()
    return result

示例

输入
print(solve())
期望输出
[('Phone', 12, 800, 9600), ('Phone', 10, 800, 8000), ('Tablet', 15, 500, 7500), ('Phone', 9, 800, 7200), ('Laptop', 6, 1200, 7200)]
Python 代码 🔒 登录后使用
🔒

登录后即可练习

注册免费账号,在浏览器中直接运行 Python 代码