Python: Define Generic Types for Lists of Nested Dictionaries
Updated: Feb 17, 2024
Overview Working with nested dictionaries in Python is a common task, especially when dealing with configurations, JSON data, or complex data structures. When you start incorporating type hints into your code, you may wonder how to......
Python: Defining type for a list that can contain both numbers and strings
Updated: Feb 17, 2024
Introduction In modern Python programming, especially with Python 3.5 and later versions, type hinting has become increasingly significant. Type hinting aids in the documentation of code and improves IDEs and linters’ ability to......
Using TypeGuard in Python (Python 3.10+)
Updated: Feb 17, 2024
Overview The introduction of Type Guards in Python 3.10 as part of PEP 647 has been a significant enhancement for developers aiming to write more explicit, readable, and error-free type-annotated code. TypeGuard allows for more precise......
Python: Using ‘NoReturn’ type with functions
Updated: Feb 17, 2024
Introduction Welcome to this deep dive into the NoReturn type in Python functions! Understanding how and when to use NoReturn can significantly improve the readability and robustness of your Python code, particularly in scenarios that......
Type Casting in Python: The Ultimate Guide (with Examples)
Updated: Feb 17, 2024
Introduction Type casting in Python is a fundamental concept that allows developers to convert variables from one type to another. This process is integral in programming because it enables the handling of different types of data......
Python: Using type hints with class methods and properties
Updated: Feb 17, 2024
Introduction Type hints in Python have significantly improved the clarity of code and made it much easier to work with large codebases or in a team environment. By providing explicit types, developers can quickly understand what kind......
Python: Typing a function with default parameters
Updated: Feb 17, 2024
Overview Python’s dynamic nature makes it flexible and easy to write code. However, with the introduction of type hints in PEP 484, Python developers now have the option to make their codebases more readable and self-documenting,......
Python: Typing a function that can return multiple types
Updated: Feb 17, 2024
Introduction Python, as a dynamically typed language, offers significant flexibility regarding variable types. A function in Python can return different types of data, making it versatile but challenging for type checking and code......
Python: Typing a function with *args and **kwargs
Updated: Feb 17, 2024
Introduction Python’s dynamic nature allows for flexible function definitions – among these, the use of *args and **kwargs stands out for enabling functions to accept an arbitrary number of positional and keyword arguments,......
Python Type Hint: Annotating ‘Nullable’ and ‘Noneable’ return type
Updated: Feb 17, 2024
Introduction In Python 3.5 and onwards, type hinting has become an essential part of the language, enhancing code readability, and making it easier to maintain. Type hints allow developers to specify the expected type of variables,......
Python: Using type hints with map() function – Examples
Updated: Feb 17, 2024
Overview Python’s dynamic typing is a double-edged sword. On one side, it allows for rapid development and simpler syntax, catering to beginners and professionals alike. On the other, it can lead to runtime errors that static......
Python: Using type hints with NamedTuple – Examples
Updated: Feb 17, 2024
Introduction In modern software development, readability and maintainability of codebases are essential for efficient teamwork and software longevity. Python, being a dynamically typed language, has introduced several features to......