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Use Python for data analysis: This book is a detailed version of Python's pandas package. Learn this to master some basic pandas commands. However, this is not the point, because pandas is too slow to produce a large amount of data and may collapse (I don't know if there is any improvement now-!) The point is, through studying this book, I feel a little about the data operation and am familiar with the basic data operation process. All the operations in this book can be replaced by native Python, and Pandas package is not needed. Finding feelings is very important.The Chinese character "China" inscribed on the stone is the only word that a Kirgiz grandmother living on the border of southern Xinjiang can write in her life.? Baud's fish knife is used. Bao De agreed, handed over the knife and, according to Liu Guiduo's arrangement, summoned Cui Yong to the deck in the dormitory so that the captain could kill Cui Yong. Cui Yong hid the fish knife behind him and followed Baud to the deck. At this moment, the captain was already waiting there with the knife. Baud was defenseless at this time and was flanked by the captain and Cui Yong. Fish knives kept stabbing him.Xu Fan Endorsements: 1.5 Million Every Two Years Tao Hong Endorsements: 1.2 Million Every Two Years1. Support simple broadcast communication. When the state of the object changes, it will automatically notify the subscribed object.