实现单笔转账借方扣款贷方入账

def solve():
    from pyodide.http import open_url
    account_types_csv = open_url(____).read()
    payment_channels_csv = open_url(____).read()
    transfer_types_csv = open_url(____).read()
    transaction_limits_csv = open_url(____).read()
    accounts_csv = open_url(____).read()
    transfers_csv = open_url(____).read()
    import sqlite3, pandas as pd
    from io import StringIO
    conn = sqlite3.connect(____)
    pd.read_csv(StringIO(____)).to_sql(____)
    from_id, to_id, amount = ____, ____, ____
    before = pd.read_sql_query(____)
    conn.execute("____", (____))
    conn.execute("____", (____))
    conn.commit()
    after = pd.read_sql_query(____)
    result = before.copy()
    result.columns = ['____', '____']
    result['____'] = after['____'].values
    print(result.to_string(____))
    conn.close()