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Python 技術手冊 第三版
book

Python 技術手冊 第三版

by lex Martelli, Anna Martelli Ravenscroft, Steve Holden
January 2018
Intermediate to advanced
856 pages
17h 17m
Chinese
GoTop Information, Inc.
Content preview from Python 技術手冊 第三版
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1 章 Python 簡介
本書專注於 Python 2.7 3.5(以及它們所有的 point releases),也就是在
本書寫作之時最穩定且廣泛發行的版本(並旁注了最新發行版 3.6 的重點
提示)。Python 2.7 就是我們所稱的 v2,而 3.5(及其後繼者)即為 v3
我們會標明語言或程式庫的哪些部分只存在於 v3,無法在 v2 中使用,以
及可在 v2 中使用的 v3 功能,例如
from _ _future_ _ import
語法(參閱後
面章節的「從 __future__ 匯入」)。當我們說某項功能
存在於
v3
,我們的
意思是它在 Python 3.5 中(大概也會在所有未來的版本中,包括 3.6,但
不一定會在,譬如說,3.4 中)。當我們說某項功能
v2
,就代表它在
Python 2.7.x(目前是 2.7.13)中,但不一定會在 2.6 或更之前版本中。在
少數情況下,我們會指明某個 point release,例如 3.5.3,以強調某些語言
變更發生在那個 point release 中。
本書並不講述較舊版的 Python,例如 2.5 2.6,這些版本存在已經超過
五年了,不應該被用在任何開發工作上。然而,你可能還是得顧慮這種傳
統版本,因為它們被內嵌在你需要以指令稿(script)操作的某些應用程式
中。幸好,Python 的回溯相容性在主要發行版(major releases)之內都算
是相當不錯:v2 能夠正確處理為 Python 1.5.2 ...
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Publisher Resources

ISBN: 9789864766819