统计每日GMV（成交金额）

def solve():
    from pyodide.http import open_url
    users_csv = open_url(____).read()
    categories_csv = open_url(____).read()
    products_csv = open_url(____).read()
    orders_csv = open_url(____).read()
    order_items_csv = open_url(____).read()
    import sqlite3
    import pandas as pd
    from io import StringIO

    conn = sqlite3.connect(____)
    pd.read_csv(StringIO(____)).to_sql(____)

    result = pd.read_sql_query(____)
    print(result.to_string(____))
    conn.close()