For those that are unfamiliar with the concept of classes and who want to learn more about how they work, keep reading. If you just want the syntax for classes in Python, you can skip to the next ...

Doing so makes them optional when you create a new instance. For example, say you want the default book price to be $20. You can say: @dataclass class Book(object): title : str author : str price : ...

The syntax of Python type hints Type hints in Python involve a colon and a type declaration after the first invocation of a name in a namespace. Here’s an example: ...

However, this works against Python's base architecture decisions. Python is an interpreted language as opposed to being compiled, and it was never designed to efficiently support multithreading. Since ...