Python type hints are used ahead of time, by the type-checking system; for instance, in your editor or IDE. In other words, Python’s type hints are for the developer, not the runtime.

Python supports a variety of data types such as numeric (integers, floats, complex), string, boolean, list, tuple, and dictionary. Each data type has its own unique set of properties and methods ...

An example is a list that you can only append to or pop from, not replace with a string or other type. No more ‘dead batteries’ Python 3.11 identified a slew of Python standard library modules ...

One of the most popular answers is a system known as mypy, which takes advantage of Python 3's type annotations for its own purposes. Using mypy means that you can write and run Python in the normal ...