实现重复支付检测幂等键防重

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()
    disputes_csv = open_url(____).read()
    import sqlite3, pandas as pd
    from io import StringIO
    conn = sqlite3.connect(____)
    pd.read_csv(StringIO(____)).to_sql(____)
    result = pd.read_sql_query(____)
    if len(____) > ____:
        print(____)
    else:
        print(____)
    conn.close()