What are type hints and annotations in Python?
An example of an AI chatbot conversation about type hints and annotations in Python.
What are type hints and annotations in Python?
Type hints and annotations in Python are a way to indicate the expected data types of variables, function parameters, and return values.
Can you give me an example of how to use type hints?
Sure! Here's a simple example:
def add_numbers(a: int, b: int) -> int: return a + b
In this function, 'a' and 'b' are expected to be integers, and the function returns an integer.
Are type hints mandatory in Python?
No, type hints are not mandatory in Python. They are optional and mainly used for better code readability and type checking.
How do type hints improve code quality?
Type hints improve code quality by making it easier to understand the expected types, reducing bugs, and enabling better tooling support.
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