I want to find a book on python on crawler, also find on the Internet, but did not have a flexibly, mainly I was hoping to find a book has been practice instance is given priority to, instructions, don't need too much foundation course, hope someone can provide better books,
Feel, probably because the cause of the beginner, when climbing network often don't know how to find the key words, want to improve, I think it should be need time to hone,
