建立电商数据库并查询所有用户

def solve():
    from pyodide.http import open_url
    users_csv = open_url("https://data.zuihe.com/dbd/ecommerce/state_A00/users.csv").read()
    categories_csv = open_url("https://data.zuihe.com/dbd/ecommerce/state_A00/categories.csv").read()
    products_csv = open_url("https://data.zuihe.com/dbd/ecommerce/state_A00/products.csv").read()
    import sqlite3
    import pandas as pd
    from io import StringIO

    conn = sqlite3.connect(':memory:')
    df_users = pd.read_csv(StringIO(users_csv))
    df_users.to_sql('users', conn, index=False, if_exists='replace')

    result = pd.read_sql_query(
        "SELECT username, level FROM users ORDER BY id",
        conn
    )
    print(result.to_string(index=False))
    conn.close()