Also included is a basic form of data hiding by name mangling, though this is easily bypassed. Notable among these are the Modula-3 inspired keyword arguments (which are also similar to Common Lisp's keyword arguments) and built-in support for complex numbers. In 1995, Van Rossum continued his work on Python at the Corporation for National Research Initiatives (CNRI) in Reston, Virginia from where he released several versions.īy version 1.4, Python had acquired several new features. The last version released while Van Rossum was at CWI was Python 1.2. Van Rossum stated that "Python acquired lambda, reduce(), filter() and map(), courtesy of a Lisp hacker who missed them and submitted working patches". The major new features included in this release were the functional programming tools lambda, map, filter and reduce. Python reached version 1.0 in January 1994. In 1994, the primary discussion forum for Python, was formed, marking a milestone in the growth of Python's userbase. Python's exception model also resembles Modula-3's, with the addition of an else clause. 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". 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.
THONNY PYTHON 2.7 CODE
In February 1991, Van Rossum published the code (labeled version 0.9.0) to alt.sources. Many of its major features have also been backported to the backwards-compatible, though now-unsupported, Python 2.6 and 2.7. Python 3.0, a major, backwards-incompatible release, was released on Decem after a long period of testing. However, the most important change was to the development process itself, with a shift to a more transparent and community-backed process.
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.
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Python was named after the BBC TV show Monty Python's Flying Circus.
(However, van Rossum stepped down as leader on July 12, 2018. 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).
The programming language Python was conceived in the late 1980s, and its implementation was started in December 1989 by Guido van Rossum at CWI in the Netherlands as a successor to ABC capable of exception handling and interfacing with the Amoeba operating system. Main article: Python (programming language)
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