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中级

实现设备组权限检查

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, json
    groups_csv = open_url(____).read()
    policies_csv = open_url(____).read()
    groups = pd.read_csv(StringIO(____))
    policies = pd.read_csv(StringIO(____))
    group_perms = {}
    for _, g in groups.iterrows():
        group_perms[g['____']] = set(json.loads(____))
    def check_permission(____):
        g = groups[groups['____']==group_name]
        if g.empty: return False
        return permission in group_perms.get(g.iloc[____]['____'], set())
    checks = [(____),(____),(____),(____),(____)]
    for grp, perm in checks:
        ok = check_permission(____)
        print(____)

示例

输入
solve()
期望输出
admin can write_command: True
operator can read_data: True
readonly can write_command: False
maintenance can manage_device: True
readonly can manage_device: False
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