统计配送距离、时效与超时率

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    deliveries=pd.read_csv(StringIO(open_url("https://data.zuihe.com/dbd/ms-takeaway/state_02/deliveries.csv").read()))
    print(f"Total deliveries: {len(deliveries)}")
    print(f"Avg distance_km: {round(deliveries['distance_km'].mean(),2)}")
    print(f"Avg actual_duration_min: {round(deliveries['actual_duration_min'].mean(),1)}")
    overtime=deliveries[deliveries['is_overtime']==1]
    print(f"Overtime deliveries: {len(overtime)} ({round(len(overtime)/len(deliveries)*100,1)}%)")
    print(f"Avg overtime_min: {round(overtime['overtime_min'].mean(),1)}")