← 返回题库
初级

查询交易次数≥3的活跃账户

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():
    from pyodide.http import open_url
    offices_csv = open_url("https://data.zuihe.com/dbd/core/state_06/offices.csv").read()
    staff_csv = open_url("https://data.zuihe.com/dbd/core/state_06/staff.csv").read()
    savings_products_csv = open_url("https://data.zuihe.com/dbd/core/state_06/savings_products.csv").read()
    clients_csv = open_url("https://data.zuihe.com/dbd/core/state_06/clients.csv").read()
    savings_accounts_csv = open_url("https://data.zuihe.com/dbd/core/state_06/savings_accounts.csv").read()
    savings_account_transactions_csv = open_url("https://data.zuihe.com/dbd/core/state_06/savings_account_transactions.csv").read()
    gl_accounts_csv = open_url("https://data.zuihe.com/dbd/core/state_06/gl_accounts.csv").read()
    charges_csv = open_url("https://data.zuihe.com/dbd/core/state_06/charges.csv").read()
    savings_account_charges_csv = open_url("https://data.zuihe.com/dbd/core/state_06/savings_account_charges.csv").read()
    import sqlite3, pandas as pd
    from io import StringIO
    conn = sqlite3.connect(':memory:')
    pd.read_csv(StringIO(savings_accounts_csv)).to_sql('savings_accounts', conn, index=False, if_exists='replace')
    pd.read_csv(StringIO(savings_account_transactions_csv)).to_sql('savings_account_transactions', conn, index=False, if_exists='replace')
    result = pd.read_sql_query("""
        SELECT a.account_no, COUNT(t.id) AS tx_count
        FROM savings_accounts a LEFT JOIN savings_account_transactions t ON t.account_id=a.id
        GROUP BY a.id, a.account_no HAVING tx_count>=3 ORDER BY tx_count DESC LIMIT 5
    """, conn)
    print(result.to_string(index=False))
    conn.close()

示例

输入
solve()
期望输出
account_no  tx_count
6212001000000001         5
6212002000000003         5
6212001000000002         4
6212001000000005         4
6212003000000010         4
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