Typehint a list of tuples with nested tuples in python

Type hinting in Python allows you to specify the expected data types of function parameters and return values. This can be especially helpful when working with complex data structures, such as lists of tuples with nested tuples. In this tutorial, we will explore how to type hint a list of tuples that contain nested tuples and provide code examples to illustrate the concept.
Before we dive into type hinting, make sure you have a basic understanding of Python, including tuples, lists, and type hinting using annotations.
Let's start with a simple example of a list of tuples where each tuple contains two integers. We will gradually introduce type hints to improve code readability and maintainability.
Without type hints, the code is less self-explanatory, and it can be challenging to understand the expected structure of the data.
Python 3.5 and later versions support type hinting with annotations. You can use annotations to specify the types of the list and its elements.
In this example, we use List to specify the list and Tuple[int, int] to specify each tuple's structure. This makes it clear that data is a list of tuples, and each tuple contains two integers.
If you have nested tuples within your list of tuples, you can apply type hints to them as well. Here's an example with nested tuples, each containing two integers:
In this example, we use nested Tuple type hints to describe the structure of the list of tuples, which have nested tuples themselves.
Type hinting is a powerful tool for improving code readability and maintainability, especially when working with complex data structures. By using type hints with lists of tuples containing nested tuples, you can make your code more self-explanatory and help catch type-related errors early in the development process.
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