December 2014
Beginner to intermediate
384 pages
10h 39m
English
Content preview from Pro Python, Second Edition
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APPENDIX E
Backward Compatibility Policy
Author: Benjamin Peterson
Abstract
This PEP outlines Python’s backward compatibility policy.
Rationale
As one of the most-used programming languages today,1 the Python core language and its standard library play a critical role in thousands of applications and libraries. This is fantastic; it is probably one of a language designer’s most wishful dreams. However, it means the development team must be very careful not to break this existing third-party code with new releases. It is also important to note that Python 2.x is a very different creature than Python 3.x, the subject of this book. That being said, ...
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