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History of Python
(詳細はThe Making of Python )〕 and its implementation was started in December 1989〔(【引用サイトリンク】A Brief Timeline of Python )〕 by Guido van Rossum at CWI in the Netherlands as a successor to the ABC programming language capable of exception handling and interfacing with the Amoeba operating system.〔(【引用サイトリンク】 Why was Python created in the first place? )〕 Van Rossum is Python's principal author, and his continuing central role in deciding the direction of Python is reflected in the title given to him by the Python community, ''Benevolent Dictator for Life'' (BDFL).
Python 2.0 was released on October 16, 2000, with many major new features including, a cycle-detecting garbage collector (in addition to reference counting) for memory management and support for Unicode. However, the most important change was to the development process itself, with a shift to a more transparent and community-backed process. Python 3.0, a major, backwards-incompatible release, was released on December 3, 2008〔(Python 3.0 release )〕 after a long period of testing. Many of its major features have also been backported to the backwards-compatible Python 2.6 and 2.7.〔(PEP 3000 )〕
==First publication==
In February 1991, Van Rossum published the code (labeled version 0.9.0) to alt.sources. Already present at this stage in development were classes with inheritance, exception handling, functions, and the core datatypes of list, dict, str and so on. Also in this initial release was a module system borrowed from Modula-3; Van Rossum describes the module as "one of Python's major programming units".〔 Python's exception model also resembles Modula-3's, with the addition of an else clause.〔 In 1994 (comp.lang.python ), the primary discussion forum for Python, was formed, marking a milestone in the growth of Python's userbase.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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