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众人都听得呆了。Action: Stupid ForceIf I were to implement a pizza ordering system, I would definitely write the code like this, because this kind of code can be written subconsciously without consuming our brains. However, take a closer look at this code: the purpose of this method is to order pizza. However, the code for ordering pizza also needs knowledge about the production of pizza. This method must know all pizza. Worse still, if the types of pizza are to be expanded or pizza with poor sales volume are to be deleted in the future, then the code for ordering pizza will be modified. It looks very bad and should be revised. Our first step must be to separate the code for producing Pizza from the code for ordering pizza, because you should not let the code for ordering Pizza know the logic for producing pizza, but should hand over the logic for producing Pizza to a special type. In this way, we can cope with future changes-if we want to add or delete pizza, we can directly modify the producer of pizza without affecting the logic of ordering pizza.薛俊风深呼吸几口气。在一个医院背景中，专业出类拔萃的外科医生李睿（李晨饰）；行政管理手段另辟蹊径，引得漫天非议的青年院长凌远（靳东饰）；高傲暴躁其实内心苦闷的富商千金郁宁馨（崔心心饰）；冷静理智却过度压抑克制的医学生苏纯等，如何在现实的种种制约下，不懈地追求职业理想，努力地向爱走近的故事。本剧通过一个个有真实原型的病例，突出身为病患方对医疗方无可选择的依赖与渴求。本剧情节不落俗套，如房事使用了borancct般回味无穷。这种真实的需求与如今尚局限的医疗技术，尤其是我国有限的，非常不平衡的医疗资源间的差距，这样的差距，造成了许多激烈的矛盾。本片讲述了在捕蛇村长大的小树，因为善良救下一只小蛇，取名“小花”。多年后，小树成为生物科研员，探寻基因的秘密，而别有用心的同事却利用小树，闯入捕蛇村的禁地——食人岛，岛上水汽弥漫，静谧又诡异，似乎有一双眼睛在盯着闯入者的一举一动……6. Os.mkdir ()--create directory