Python Programming Language

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Questions and Answers

What is Python's design philosophy?

  • Code simplicity with the use of complex algorithms
  • Code readability with the use of significant indentation (correct)
  • Code efficiency with the use of low-level memory management
  • Code reliability with the use of redundant error handling

What type of programming paradigms does Python support?

  • Only procedural and functional programming
  • Only object-oriented and structured programming
  • Multiple programming paradigms, including procedural, object-oriented, and functional programming (correct)
  • Only functional and imperative programming

Who is the inventor of Python?

  • John McCarthy
  • Dennis Ritchie
  • Bjarne Stroustrup
  • Guido van Rossum (correct)

What is unique about Python's standard library?

<p>It is comprehensive and includes many useful modules (C)</p> Signup and view all the answers

What was the last release of Python 2?

<p>Python 2.7.18 (C)</p> Signup and view all the answers

What was the initial end-of-life date for Python 2.7?

<p>2015 (C)</p> Signup and view all the answers

Which Python version is currently supported as of 2023?

<p>3.8 and later (C)</p> Signup and view all the answers

What is the purpose of the 2to3 utility in Python 3?

<p>To automate the translation of Python 2 code to Python 3 (C)</p> Signup and view all the answers

What was added to Python 3.11 to improve error handling?

<p>Expanded exception handling functionality (C)</p> Signup and view all the answers

What was added to Python 3.10?

<p>The | union type operator and the match and case keywords (B)</p> Signup and view all the answers

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Study Notes

Language Features

  • Python is a high-level, general-purpose programming language that emphasizes code readability with significant indentation.
  • It is dynamically typed and garbage-collected.
  • Supports multiple programming paradigms: structured, object-oriented, and functional programming.

History

  • Guido van Rossum invented Python in the late 1980s as a successor to the ABC programming language.
  • Van Rossum led the project until 2018, then became "BDFL-emeritus" and a five-member Steering Council was elected to lead the project in 2019.

Releases

  • Python 0.9.0 was first released in 1991.
  • Python 2.0 was released in 2000 with new features like list comprehensions and Unicode support.
  • Python 3.0 was released in 2008, with many major features backported to Python 2.6.x and 2.7.x.
  • Python 2.7's end-of-life was initially set for 2015, then postponed to 2020.
  • Currently, only Python 3.8 and later are supported, with 3.12 being the stable release.
  • Older versions (2.7, 3.7, 3.8) only receive security fixes.

Updates and Security

  • PyPy, an unofficial Python implementation, continues to support Python 2 with backported security updates.
  • In 2021 and 2022, security updates were expedited due to security issues in all Python versions.
  • Releases 3.10.4, 3.9.12, and 3.8.13 were expedited due to multiple security issues.
  • Releases 3.10.7, 3.9.14, 3.8.14, and 3.7.14 were made due to a potential denial-of-service attack.

Notable Changes

  • Python 3.11 added syntax for increased program execution speed and improved error reporting.
  • Python 3.10 added the | union type operator and the match and case keywords.
  • Python 3.11 expanded exception handling functionality.
  • Python 3.12 added the new keyword type.

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