实现大额实时CNAPS报文组装大于等于5万

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()
    clearing_batches_csv = open_url(____).read()
    import sqlite3, pandas as pd, json
    from io import StringIO
    conn = sqlite3.connect(____)
    pd.read_csv(StringIO(____)).to_sql(____)
    result = pd.read_sql_query(____)
    for _, r in result.iterrows():
        msg = {"____": "____", "____": r['____'], "____": float(____),
               "____": int(____), "____": int(____)}
        print(json.dumps(____))
    conn.close()