计算家庭日均用电量

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    csv_data = open_url('https://data.zuihe.com/dbd/ms-smarthome/state_04/energy_usage.csv').read()
    df = pd.read_csv(StringIO(csv_data))
    df['date'] = pd.to_datetime(df['date'])
    daily = df.groupby('date')['kwh'].sum()
    print(f"日均用电: {daily.mean():.2f}度")
    print(f"最高日用电: {daily.max():.2f}度")