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中级

统计骑手平均配送时长与距离

未完成
中级参考 代码结构已给出,请填写 ____ 处
def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    deliveries=pd.read_csv(StringIO(open_url(____).read()))
    print(____)
    print(____)
    by_rider=deliveries.groupby(____).agg(count=(____),avg_dur=(____)).reset_index()
    print(____)
    for _,r in by_rider.nlargest(____,'____').iterrows():
        print(____)

示例

输入
solve()
期望输出
Avg delivery duration: 26.4 min
Avg distance: 2.72 km
Rider delivery stats (top5 by count):
  RDR-0002: 21 deliveries avg=27.9min
  RDR-0006: 20 deliveries avg=30.4min
  RDR-0008: 17 deliveries avg=24.7min
  RDR-0003: 15 deliveries avg=25.4min
  RDR-0004: 15 deliveries avg=24.7min
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