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Another expression of the minimum knowledge principle is to communicate only with direct friends. As long as there is a coupling relationship between classes, it is called a friend relationship. Coupling is divided into dependency, association, aggregation, combination, etc. We call classes that appear as member variables, method parameters, and method return values direct friends. Local variables and temporary variables are not direct friends. We require unfamiliar classes not to appear in the class as local variables.Stupid Methodology Python (Learn Python the Hard Way) This book is very suitable for people who have no contact with Python or programming at all. Although many people say Python is so simple that they learn it in a day/week/month, everyone's foundation is different, so don't think you are stupid without learning it in a day. You should think that the person who says so is very bad! Anyway, this is a real book to learn Python from scratch.来到约定的酒店，陈启刚进门，就看到吕文心和一男一女两个青年在那里等着了。只是外相，若是王家坚持……跟张家……在下是必定要去漠西的。新人演员白安歌车祸后失忆，不但欠下巨债，身体还出现bug，时不时眩晕，为了活下来，她和“碰瓷”自己的病秧子顾恒接触发现不晕了，两人出于不同目的签订契约婚姻协议，开始了兵荒马乱的同居生活。她一边拼尽全力实现自己的梦想，一边克服心理障碍好好活下来，但是却被和自己“亲亲抱抱举高高”的老公通知提前结束协议。是可忍，孰不可忍。Each member has a clear role and responsibility in the MDT team.《我们的生活比蜜甜》将带领我们重新走过和体验文革、上山下乡、恢复高考、改革开放等这段有苦有乐的辛酸历史，拂去现代社会的喧嚣浮尘去找回那个年代里人与人之间最真挚的情感。