Release Date: Nov. 17, 2013

fixes several security issues and various other bugs found in Python3.3.2.

Download Mac OS X 64-bit/32-bit Installer; Python 3.3.3 - Nov. Download Mac OS X 32-bit i386/PPC installer; Download Mac OS X 64-bit/32-bit installer; Python 2.7.6 - Nov. Download Mac OS X 32-bit i386/PPC Installer; Download Mac OS X 64-bit/32-bit x86-64/i386 Installer; Python 2.6.9 - Oct. No files for this release. Download RStudio RStudio is a set of integrated tools designed to help you be more productive with R. It includes a console, syntax-highlighting editor that supports direct code execution, and a variety of robust tools for plotting, viewing history, debugging and managing your workspace. Jul 27, 2020.

This release fully supports OS X 10.9 Mavericks. In particular, this releasefixes an issue that could cause previous versions of Python to crash when typingin interactive mode on OS X 10.9.

Python 3.3 includes a range of improvements of the 3.x series, as well as easierporting between 2.x and 3.x.

• PEP 380, syntax for delegating to a subgenerator (yield from)
• PEP 393, flexible string representation (doing away with the distinctionbetween 'wide' and 'narrow' Unicode builds)
• A C implementation of the 'decimal' module, with up to 120x speedupfor decimal-heavy applications
• The import system (__import__) is based on importlib by default
• The new 'lzma' module with LZMA/XZ support
• PEP 397, a Python launcher for Windows
• PEP 405, virtual environment support in core
• PEP 420, namespace package support
• PEP 3151, reworking the OS and IO exception hierarchy
• PEP 3155, qualified name for classes and functions
• PEP 409, suppressing exception context
• PEP 414, explicit Unicode literals to help with porting
• PEP 418, extended platform-independent clocks in the 'time' module
• PEP 412, a new key-sharing dictionary implementation that significantlysaves memory for object-oriented code
• PEP 362, the function-signature object
• The new 'faulthandler' module that helps diagnosing crashes
• The new 'unittest.mock' module
• The new 'ipaddress' module
• The 'sys.implementation' attribute
• A policy framework for the email package, with a provisional (seePEP 411) policy that adds much improved unicode support for emailheader parsing
• A 'collections.ChainMap' class for linking mappings to a single unit
• Wrappers for many more POSIX functions in the 'os' and 'signal' modules, aswell as other useful functions such as 'sendfile()'
• Hash randomization, introduced in earlier bugfix releases, is nowswitched on by default

• Change log for this release.
• Report bugs at http://bugs.python.org.
• Help fund Python and its community.

Download

This is a production release. Please report any bugs you encounter.

We currently support these formats for download:

• Bzipped source tar ball (3.3.3)(sig), ~ 14 MB
• XZ compressed source tar ball (3.3.3)(sig), ~ 11 MB
• Gzipped source tar ball (3.3.3)(sig), ~ 16 MB

• Windows x86 MSI Installer (3.3.3)(sig) and Visual Studio debug informationfiles(sig)
• Windows X86-64 MSI Installer (3.3.3)[1](sig) and Visual Studiodebug information files(sig)

Free Download Python 3

• Mac OS X 64-bit/32-bit Installer (3.3.3) for Mac OS X 10.6 and later[2](sig).[You may need an updated Tcl/Tk install to run IDLE or use Tkinter,see note 2 for instructions.]

Python 3.3 Free Download

The source tarballs are signed with Georg Brandl's key, which has a key id of36580288; the fingerprint is 26DE A9D4 6133 91EF 3E25 C9FF 0A5B 1018 36580288. The Windows installer was signed by Martin von Löwis' public key, whichhas a key id of 7D9DC8D2. The Mac installers were signed with Ned Deily's key,which has a key id of 6F5E1540. The public keys are located on the downloadpage.

MD5 checksums and sizes of the released files: