python typing list of objects

title: python typing for lists of objects - a comprehensive tutorial
introduction:
in python, typing is a powerful feature that helps improve code readability, maintainability, and catch potential errors early in the development process. when working with lists of objects, using proper type annotations can make your code more robust and self-explanatory. this tutorial will guide you through the process of typing lists of objects in python, using the list and type classes from the typing module.
step 1: import the list and type classes from the typing module.
step 2: define a class for your objects. for this tutorial, let's create a simple person class.
step 3: create a list of objects and apply type annotations.
now, you have a list named people that can only contain objects of the person class. if you try to add an object of a different type, the static type checker (e.g., mypy) will raise an error.
step 4: create a function that takes a list of objects as an argument.
step 5: use the type class to indicate a type that is a subclass of a particular class.
in this example, the students list can contain objects of the person class and its subclasses, such as student.
conclusion:
by using proper type annotations, you can enhance the clarity and maintainability of your python code, especially when dealing with lists of objects. the list and type classes from the typing module provide a straightforward way to convey your intentions to both human readers and static type checkers.
chatgpt
title: python typing for lists of objects
introduction:
in python, the introduction of the typing module in pep 484 allows developers to add type hints to their code, improving code readability and catching potential errors early in the development process. this tutorial will focus on typing lists of objects in python, demonstrating how to specify the types of elements within a list.
let's create a simple class representing an object that we want to store in a list.
now, let's create a f ...

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