实现汇款指令撤回未到账发起撤回

def solve():
    from pyodide.http import open_url
    account_types_csv = open_url(____).read()
    payment_channels_csv = open_url(____).read()
    accounts_csv = open_url(____).read()
    transfers_csv = open_url(____).read()
    exchange_rates_csv = open_url(____).read()
    swift_routes_csv = open_url(____).read()
    import sqlite3, pandas as pd
    from io import StringIO
    conn = sqlite3.connect(____)
    pd.read_csv(StringIO(____)).to_sql(____)
    pending = pd.read_sql_query(____)
    if pending.empty:
        print(____)
    else:
        for _, r in pending.iterrows():
            print(____)
    conn.close()