书籍是英文版，不适合初学者来入门python，想进阶python必看，兼顾Python3(3.4)和Python2(2.7)，重心是Python3。(The book's lauguage is in English, its not suitable for beginners to learn python, who want to advance Python must read thos book.This book take into account Python3 (3.4) and Python2 (2.7), andthis book focus on Python3.)