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Questions and Answers
What is the main purpose of the 2to3 utility in Python 3?
What is the main purpose of the 2to3 utility in Python 3?
- To automate the translation of Python 2 code to Python 3 (correct)
- To provide additional security features for Python 3
- To improve the performance of Python 3
- To translate Python 3 code to Python 2
What is the current status of Python 2.7 as of 2023?
What is the current status of Python 2.7 as of 2023?
- It is officially unsupported and no further security patches or improvements will be released (correct)
- It is still actively supported
- It has been replaced by Python 3.0
- It is officially unsupported but still receives security patches
Which Python implementation continues to support Python 2?
Which Python implementation continues to support Python 2?
- PyPy (correct)
- IronPython
- Jython
- CPython
What is the significance of Python 3.9.13 release in May 2022?
What is the significance of Python 3.9.13 release in May 2022?
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What is a notable feature of Python 3.11 compared to Python 3.10?
What is a notable feature of Python 3.11 compared to Python 3.10?
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Study Notes
Python Language Characteristics
- Python is a high-level, general-purpose programming language.
- It emphasizes code readability using significant indentation.
- Python is dynamically typed and garbage-collected.
- It supports multiple programming paradigms: structured, object-oriented, and functional.
History of Python
- 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, which was not completely backward-compatible with earlier versions.
Development and Leadership
- Guido van Rossum was the lead developer and "benevolent dictator for life" until 2018.
- In 2019, a five-member Steering Council was elected to lead the project.
Releases and Updates
- Python 2.7's end-of-life was initially set for 2015, but was postponed to 2020.
- Python 3.8 and later are currently supported, with security patches and improvements.
- Python 2.7 and older is officially unsupported, but an unofficial implementation, PyPy, continues to support Python 2.
- Expedited security updates were released in 2021 and 2022 due to security issues.
- Python 3.10.4, 3.9.12, and 3.8.13 were expedited in 2022 due to many security issues.
- Python 3.12 is the current stable release, with 3.12 and 3.11 being the only versions with active support.
Notable Changes and Features
- Python 3.11 increased program execution speed and improved error reporting.
- Python 3.12 added syntax to the language, including a new (soft) keyword type, and improved typing support.
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Description
Learn about Python, a high-level, general-purpose programming language that emphasizes code readability and supports multiple programming paradigms.
