What are type annotations in Python function parameters?
Type annotations in Python are a way to indicate the expected data types of function parameters and return values.
Can you give me an example of how to use type annotations?
Sure! Here's a simple example:
def add_numbers(a: int, b: int) -> int: return a + b
This indicates that both 'a' and 'b' should be integers and the function returns an integer.
Are type annotations mandatory in Python?
No, type annotations are optional in Python. They are mainly used for type checking and improving code readability.
How do type annotations help with debugging?
Type annotations can help catch type-related errors early, making debugging easier by providing clear expectations for function inputs and outputs.
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