What s The Correct Way To Type Hint An Empty List As A Literal In
This isn t supported by Python s typing system as of today so depending on how you interface with this empty list there might be another
How To Annotate Empty Containers 183 Issue 157 183 , A common use case would be to express quot this is either an empty list or a list of xyz quot e g quot a list of tuples containing two strings quot This occurs when
Typing Support For Type Hints Python 3 12 2 Documentation
gt gt gt from typing import Annotated get type hints gt gt gt def func x Annotated int quot metadata quot gt None pass gt gt gt get type hints func x lt class
Python s Self Type How To Annotate Methods That , You specify variable and function argument types with a colon then the data type while return value annotations use a dash greater than symbol gt then the return type To see an
A Comprehensive Guide To Python Empty Lists DataCamp
A Comprehensive Guide To Python Empty Lists DataCamp, Result Method 1 Creating empty lists using The use of square brackets to create an empty list is a testament to Python s design philosophy emphasizing simpli
Python Return Multiple Values How To Return A Tuple List Or Dictionary
How To Return An Empty List From A Function In Python
How To Return An Empty List From A Function In Python The four best ways to return an empty list from a Python function are return return list my list clear and return my list Iterate
How To Return A List In Python 2 Best Ways
Table of Contents Getting Started With Python s list Data Type Constructing Lists in Python Creating Lists Through Literals Using the list Python s List Data Type A Deep Dive With Examples. You can create an empty list in Python using either square brackets or the list function An empty list can be used as a placeholder for data that In short the best way to check if a list is empty is to take advantage of that list s type flexibility For example the statement if my list python will return true if the list is not
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