实现代扣还款批处理从储蓄账户划扣

def solve():
    from pyodide.http import open_url
    clients_csv = open_url(____).read()
    loans_csv = open_url(____).read()
    loan_repayment_schedule_csv = open_url(____).read()
    loan_charges_csv = open_url(____).read()
    accrual_records_csv = open_url(____).read()
    import sqlite3, pandas as pd
    from io import StringIO
    conn = sqlite3.connect(____)
    pd.read_csv(StringIO(____)).to_sql(____)
    due = pd.read_sql_query(____)
    success = ____
    for _, r in due.iterrows():
        print(____)
        success += ____
    print()
    print(____)
    conn.close()