18. Os.path.dirname (path)--return file path
元末明初，高祖皇帝朱元璋初建大明，根基不稳，为犒劳肱骨大臣，特发放免死金牌……不料一时间引起朝野动荡，一场铁券争夺之战由此展开，锦衣卫指挥史徐达和大太监花月容，各怀鬼胎，相互利用，为彼此排除异己，并逐杀正直官员，江湖再度腥风血雨……
Tree tree = new Tree ("A");
板栗命接了他们上船，接着往下塘集行驶，并不停驻。
有助于防止混论，起到稳定社会秩序的作用。
看看民俗风情，了解吏治民生。
//Leadership Interview
When you have determined a reliable cross-validation method, you have already succeeded by more than half. If I cannot find a suitable model evaluation method, I will not proceed to the next step.
爱心洛宝贝成为一名美梦仙，通过与梦妖兄弟斗智斗勇，粉碎了他们一次次的阴险偷梦计划，成功地给奇趣小镇上的小朋友们带来五彩缤纷的美梦。洛宝贝作为美梦和梦想的传递者，代表着爱心、执着。
In marriage, some men are far less mature ideologically and psychologically than women. Women will think, "Why do I marry a person? I have to take care of my husband as well as my children. "
Run results.
《大城小爱》以都市情感和社会百态为基调，通过展现都市人群的职场、生活、家庭等各个生活层面，以小见大的洞察现代人的都市生活，力争打造出一部现实版的浮世绘。
During the Western Han Dynasty, a shocking love story took place. Zhuo Wenjun, a good family born in a very rich family, fell in love with Sima Xiangru, a poor boy. In order to be with the person he loves, Zhuo Wenjun took the great risk of losing his reputation and resolutely chose to move away from home. After many hardships and frustrations, their marriage life turned for the better. However, at this time, Zhuo Wenjun's heart was pulled up by her husband's words, and their love will face another severe test. (Lecture Room 20160305 Poetry Love 2 Wish to Have One Heart)
I also take time out of my busy schedule. Be considerate of me.
我来了，大姑娘正睡着，我就跟小草翻晒衣裳褥子。
伍俊（张赫 饰）样貌帅气英俊，靠着辗转在不同的女人身边维系生活，伍俊乍一看不过是一个想要不劳而获的小白脸，然而，他可是将此当做是毕生的事业用心经营，想要讨女人欢心，还要颇费一番功夫呢。某日，伍俊和金达莱相遇了，起初，伍俊以为对方是一位不谙世事的富家千金，接触后才发现事实并非如此，然而，随着时间的推移，伍俊发现自己竟然无可救药的爱上了这位善良的女子。
Using proxy mode, the function can be divided more clearly, which is helpful for later maintenance!
9-3 User: Create a class named User, which contains the attributes first_name and last_name, as well as several other attributes that the user profile usually stores. Define a method named describe_user () in the class User, which prints a summary of user information; Then define a method called greet_user (), which sends personalized greetings to users.
……三日后，杨长帆缝合过后的伤口已经基本不疼，只是胸前难免落下一道很长的刀疤了，虽说要一个月才能痊愈，但此时他只要不做剧烈运动，身体已无大碍。
