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What are the classic introductory books about Python?

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Python learning manual, an expensive book, but it seems useless after reading it. I always compare it with the situation when I studied Perl. When I was studying Perl, I could write code skillfully in a week. This book is nearly 1000 pages, which made me study for more than a month. After reading several books, I still stay at the level of Hello world and string.

Concise Python tutorial: online version, free of charge. Have a general understanding of Python architecture.

This is the website. We have finished the course of zhonggu education. The feeling effect is equivalent to spending a day watching Perl camel.

Python core programming: I finally got started, and slowly began to use it to solve various problems in my work.

It is worth mentioning that the first book is Python 3. X, the rest are Python 2.x I feel quite incompatible. I'll give up 3. X and get 2. X first Turn 3 is also good. I can use it after x. After all, 3 X is not perfect yet, and there are relatively many libraries of 2. X ..

If a friend is just getting started, I suggest starting directly from Python core programming!