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中级

分析死信队列中的失败指令

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
    dlq_csv = open_url(____).read()
    cmd_csv = open_url(____).read()
    dlq = pd.read_csv(StringIO(____))
    cmds = pd.read_csv(StringIO(____))
    print("____" + str(len(____)))
    for _, row in dlq.iterrows():
        print("____" + row['____'] + "____" + row['____'] + "____" + row['____'] + "____" + str(____))
    fail_reasons = dlq['____'].value_counts()
    print(____)
    for reason, cnt in fail_reasons.items():
        print("____" + reason + "____" + str(____))
    failed_cmds = cmds[cmds['____']=='____']
    print("____" + str(len(____)))

示例

输入
solve()
期望输出
Dead Letter Queue: 1
  MSG002 (DEV008): device_offline, retried=3
Fail reason distribution:
  device_offline: 1
Failed in original queue: 1
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