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Questions and Answers
What is the primary purpose of the 2to3 utility in Python 3?
What is the primary purpose of the 2to3 utility in Python 3?
- To compile Python 2 code
- To debug Python 3 code
- To translate Python 3 code to Python 2
- To automate the translation of Python 2 code to Python 3 (correct)
What is the current status of Python 2.7?
What is the current status of Python 2.7?
- Officially unsupported with no further security patches or improvements (correct)
- Fully supported with regular updates
- Partially supported with security patches only
- Unsupported, but with unofficial patches available
What is the current status of Python 3.7?
What is the current status of Python 3.7?
- Unsupported, but with unofficial patches available
- Fully supported with regular updates
- Partially supported with security patches only (correct)
- No longer receiving security patches or improvements
What is a notable feature of Python 3.11?
What is a notable feature of Python 3.11?
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What is a new feature in Python 3.12?
What is a new feature in Python 3.12?
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Study Notes
Overview of Python
- Python is a high-level, general-purpose programming language.
- It emphasizes code readability with significant indentation.
- Python is dynamically typed and garbage-collected.
Design Philosophy and Features
- Supports multiple programming paradigms: structured, object-oriented, and functional programming.
- Known as a "batteries included" language due to its comprehensive standard library.
History of Python
- Invented by Guido van Rossum in the late 1980s as a successor to the ABC programming language.
- First released in 1991 as Python 0.9.0.
- Python 2.0 was released in 2000, with many new features.
- Python 3.0, released in 2008, was a major revision 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, then postponed to 2020.
- Only Python 3.8 and later are currently supported (as of 2023).
- Python 3.10.4, 3.9.12, and 3.8.13 were expedited in 2022 due to security issues.
- Python 3.12 is the current stable release (as of October 2023).
- Notable changes in Python 3.11 include increased program execution speed and improved error reporting.
- Python 3.12 adds new syntax and features, including the new (soft) keyword type.
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