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9-8 Permissions: Write a class named Privileges that has only one attribute-Privileges, which stores the list of strings mentioned in Exercise 9-7. Move the method show_privileges () into this class. In the Admin class, a Privileges instance is used as its property. Create an Admin instance and use the method show_privileges () to display its permissions. ?曾昭伟预感到未婚妻有隐情，他一边试图挽救自己和叶小卉的爱情，一边要暗查魏兆丰侵吞国有资产的犯罪事实。不料魏兆丰也突然神秘死亡，这使得曾昭伟成为情杀的重要嫌疑人。小葱笑软了。我本想找玉米弟弟帮忙的……可是，我去国子监，那个玉米不认我。正准备获得帝都大学的物理学教授的汤川学（福山雅治 饰）是一名不折不扣的物理学怪才，思维异于常人。这日，女警内海薰（柴崎幸 饰）接手了一单离奇的人体自燃案件，毫无头绪却又急于破案的她在同事草薙俊平的介绍下，找到了汤川学。汤川学本来不想惹麻烦上身，后来经不起内海薰的纠缠，终于答应和她携手破案。在经过一系列取证后，汤川学运用他精深的物理学知识，终于揭破了罪犯的犯罪手法，帮助警方顺利破案。"Teacher, when I synthesize crystals, I need to find different conditions to synthesize them, but there are too many tests. Do you have any better methods?" "What do you synthesize crystals for?" "Of course, it is to test its performance." "Then why do we stick to the need to synthesize crystals before testing properties? We can test properties with the results of each time. Maybe we can find better substances, can't we?" "Ah! Yes, thank you, teacher, I'll try it!" In an exchange with Mr. Sun Yimin, the teacher proved once again the correctness of the sentence "Don't stick to books and documents" while solving the problems of the team members.