Python的3.0版本,在開發階段被稱為Python 3000,或簡稱Py3k。 相對於Python的早期版本,這是一個較大的升級。 為了不帶入過多的累贅,Python 3.0在設計的時候就沒有考慮向下相容。 許多針對早期Python版本設計的程式都無法在Python 3.0上正常運行。 為了照顧現有程式,Python 2.6作為一個過渡版本,基本使用了Python 2.x的語法和庫,同時考慮了向Python 3.0的遷移。 基於早期Python版本而能正常運行于Python 2.6並無警告的程式可以通過一個2 to 3的轉換工具無縫遷移到Python 3.0。
Python 3.1.4版本資訊:
The Python 3.1 version series is a continuation of the work started by Python 3.0, the new backwards-incompatible series o f Python. For ongoing maintenance releases, please see the Python 3.2 series. Improvements in the the 3.1 series release include:
An ordered dictionary type Various optimizations to the int type New unittest features including test skipping and n ew assert methods. A much faster io module HTTP://www.aliyun.com/zixun/aggregation/19680.html">Tile support for Tkinter A pure Python refe rence implementation of the import statement New syntax for nested with statements
下載位址:
Gzipped source tar ball (3.1.4) (sig) Bzipped source tar ball (3.1.4) (sig) XZ source tar ball (3.1.4) (sig) Windows x86 M SI Installer (3.1.4) (sig) Windows x86 MSI program database (3.1.4) (sig) Windows X86-64 MSI Installer (3.1.4) [1] (sig) W indows X86-64 program database (3.1.4) [1] (sig) Mac OS X 32-bit i386/PPC Installer (3.1.4) for Mac OS X 10.3 through 10.6 [2] (sig)
MD5校驗碼:
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