统计运维人员在岗状态与平均响应时间

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    staff=pd.read_csv(StringIO(open_url("https://data.zuihe.com/dbd/ms-bikeshare/state_02/maintenance_staff.csv").read()))
    print(f"Total staff: {len(staff)}")
    print(f"By status: {dict(staff.groupby('status').size())}")
    print(f"Avg completed_tasks: {round(staff['completed_tasks'].mean(),1)}")
    print(f"Avg avg_response_min: {round(staff['avg_response_min'].mean(),1)}")