统计各账户类型的总余额

def solve():
    from pyodide.http import open_url
    customers_csv = open_url("https://data.zuihe.com/dbd/banking/state_B00/customers.csv").read()
    accounts_csv = open_url("https://data.zuihe.com/dbd/banking/state_B00/accounts.csv").read()
    cards_csv = open_url("https://data.zuihe.com/dbd/banking/state_B00/cards.csv").read()
    import sqlite3
    import pandas as pd
    from io import StringIO

    conn = sqlite3.connect(':memory:')
    pd.read_csv(StringIO(accounts_csv)).to_sql('accounts', conn, index=False, if_exists='replace')

    result = pd.read_sql_query("""
        SELECT type, COUNT(*) AS account_count, SUM(balance) AS total_balance
        FROM accounts
        GROUP BY type
        ORDER BY total_balance DESC
    """, conn)
    print(result.to_string(index=False))
    conn.close()