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Questions and Answers
What is the purpose of the 2to3 utility included in Python 3 releases?
What is the purpose of the 2to3 utility included in Python 3 releases?
- To translate Python 2 code to Python 3 (correct)
- To provide security patches for Python 2.7
- To support Python 2 code in Python 3 environments
- To automate the translation of Python 3 code to Python 2
What is the current status of Python 2.7?
What is the current status of Python 2.7?
- Unsupported, but with community-provided security updates
- Actively supported with security patches and improvements
- Officially unsupported, with no further security patches or improvements (correct)
- Supported with security patches only
What is the purpose of the PyPy implementation?
What is the purpose of the PyPy implementation?
- To provide an alternative Python implementation with continued support for Python 2 (correct)
- To automate the translation of Python 3 code to Python 2
- To support Python 2 code in Python 3 environments
- To translate Python 2 code to Python 3
What is a notable change in Python 3.11 compared to Python 3.10?
What is a notable change in Python 3.11 compared to Python 3.10?
What is the current stable release of Python as of October 2023?
What is the current stable release of Python as of October 2023?
What is the primary focus of Python's design philosophy?
What is the primary focus of Python's design philosophy?
What programming paradigms does Python support?
What programming paradigms does Python support?
What is the main reason Python is often described as a 'batteries included' language?
What is the main reason Python is often described as a 'batteries included' language?
Who is the original creator of Python?
Who is the original creator of Python?
When was Python 2.0 released?
When was Python 2.0 released?
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Study Notes
Python Overview
- Python is a high-level, general-purpose programming language.
- It emphasizes code readability with significant indentation.
- Python is dynamically typed and garbage-collected.
Programming Paradigms
- Supports multiple programming paradigms, including:
- Structured (particularly procedural)
- Object-oriented
- Functional programming
History
- Guido van Rossum began working on Python in the late 1980s as a successor to the ABC programming language.
- Python 0.9.0 was first released in 1991.
- Python 2.0 was released in 2000, and Python 3.0 was released in 2008.
Releases
- Python 2.7.18, released in 2020, was the last release of Python 2.
- Python 3.0 introduced many major new features, including list comprehensions and Unicode support.
- Releases of Python 3 include the 2to3 utility, which automates the translation of Python 2 code to Python 3.
Support and Updates
- Python 2.7 and older are officially unsupported.
- Only Python 3.8 and later are currently supported (as of 2023).
- Unofficial Python implementation, PyPy, continues to support Python 2.
Security Updates
- Security updates were expedited in 2021 and 2022 due to security issues.
- Python 3.10.4, 3.9.12, and 3.8.13 were released to address security issues.
- Python 3.9.13 and later only receive security fixes.
Recent Releases
- As of October 2023, Python 3.12 is the stable release.
- Python 3.12 and 3.11 are the only versions with active support.
- Notable changes in 3.11 include increased program execution speed and improved error reporting.
- Python 3.12 adds new syntax to the language, including the new (soft) keyword type.
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