统计设备在线率与故障率

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_01/devices.csv').read()
    df = pd.read_csv(StringIO(csv_data))
    total = len(df)
    online = len(df[df['status'] == 'online'])
    offline = len(df[df['status'] == 'offline'])
    print(f"在线率: {online/total*100:.1f}%")
    print(f"离线率: {offline/total*100:.1f}%")