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中级

计算逾期未缴年费的滞纳金

未完成
中级参考 代码结构已给出，请填写 ____ 处 
def solve():
    from pyodide.http import open_url
    offices_csv = open_url(____).read()
    staff_csv = open_url(____).read()
    savings_products_csv = open_url(____).read()
    clients_csv = open_url(____).read()
    savings_accounts_csv = open_url(____).read()
    savings_account_transactions_csv = open_url(____).read()
    gl_accounts_csv = open_url(____).read()
    charges_csv = open_url(____).read()
    savings_account_charges_csv = open_url(____).read()
    import sqlite3, pandas as pd
    from io import StringIO
    conn = sqlite3.connect(____)
    pd.read_csv(StringIO(____)).to_sql(____)
    pd.read_csv(StringIO(____)).to_sql(____)
    result = pd.read_sql_query(____)
    result['____'] = ____
    result['____'] = round(____)
    print(result.to_string(____))
    conn.close()

示例

输入
solve()
期望输出
account_id  charge_amount  overdue_days  penalty
          1           12.0            15     0.09
          2           12.0            15     0.09
          3           12.0            15     0.09
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