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Questions and Answers
What is the main purpose of the 2to3 utility in Python 3?
What is the current status of Python 2.7 as of 2023?
Which Python implementation continues to support Python 2?
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?
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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.
