Use with AIif not a:
    print("List is empty")

Using the implicit booleanness of the empty list is quite Pythonic.

Answer from Patrick on Stack Overflow
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freeCodeCamp
freecodecamp.org › news › python-empty-list-tutorial-how-to-create-an-empty-list-in-python
Python Empty List Tutorial – How to Create an Empty List in Python
June 18, 2020 - You can create an empty list using an empty pair of square brackets [] or the type constructor list(), a built-in function that creates an empty list when no arguments are passed.
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Python Guides
pythonguides.com › create-an-empty-list-in-python
Create an Empty List in Python ([] vs list())
March 4, 2025 - You can create an empty list in Python with a pair of square brackets, items = [], or with items = list(). Both give you a new list with no elements.
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Python Morsels
pythonmorsels.com › checking-for-an-empty-list-in-python
Checking for an empty list in Python - Python Morsels
July 18, 2026 - When an object is passed to an if statement, Python checks the truthiness of that object. And when it comes to collections, truthiness checks are non-emptiness checks. What if we checked for an empty list by comparing our list to another empty list:
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GeeksforGeeks
geeksforgeeks.org › python › declare-an-empty-list-in-python
Declare an Empty List in Python - GeeksforGeeks
July 12, 2025 - We can create an empty list in Python by just placing the sequence inside the square brackets[]. To declare an empty list just assign a variable with square brackets.
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Scaler
scaler.com › home › topics › how to create an empty list in python?
How to Create an Empty List in Python? - Scaler Topics
June 27, 2022 - The list() constructor is used to create a list in python, and according to python documentation, if no arguments are given to the list() constructor, then the list() constructor creates an empty list in Python.
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JanBask Training
janbasktraining.com › community › python › how do i check if a list is empty?
How do I check if a list is empty? | JanBask Training Community
April 18, 2025 - Whether you’re validating input, controlling flow, or cleaning up data, knowing how to handle empty lists is a must. ... Python treats empty sequences (like lists, tuples, strings) as False in a boolean context.
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GeeksforGeeks
geeksforgeeks.org › python › python-check-if-list-empty-not
Check if a list is empty or not in Python - GeeksforGeeks
October 24, 2024 - The not operator is the simplest way to see if a list is empty. It returns True if the list is empty and False if it has any items. ... If there were items in the list, not a would be False.
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DataCamp
datacamp.com › home › tutorials › python › a comprehensive guide to python empty lists
A Comprehensive Guide to Python Empty Lists | DataCamp
February 2, 2024 - The use of square brackets [] to create an empty list is a testament to Python's design philosophy, emphasizing simplicity and readability. It represents a clean, intuitive starting point for list operations.
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Finxter
blog.finxter.com › home › learn python blog › how to create an empty list in python?
How to Create an Empty List in Python? - Be on the Right Side of Change
October 14, 2022 - Python is a dynamic language so there is no concept of a “list of type X”. Instead of creating a list of a fixed type, simply create an empty list using [] or list() and assign it to a variable such as my_list.
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Purple Engineer
purpletutor.com › home › understanding code › mastering python empty lists creation usage optimization techniques
Python empty list basics and methods explained - Purple Tutor
December 27, 2025 - This guide is for Python programmers, from beginners learning about data structures to experienced developers seeking best practices. It solves the common challenge of how and when to properly initialize a list to collect data dynamically. You will learn the two standard methods for creating an empty list—using square brackets (`[]`) or the `list()` constructor—and understand the subtle performance differences between them.
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Derludditus
derludditus.github.io › ClaudePython › how-to-create-an-empty-list-in-python.html
How to create an empty list in Python
The type() verification ensures we've created a proper list object · The len() function returns 0, indicating the list is truly empty · Beyond square brackets, Python provides several alternative approaches to create empty lists—including the list() constructor, list comprehension syntax, and multiplication operations.
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Medium
medium.com › @ryan_forrester_ › how-to-create-empty-lists-in-python-d41cae5267e2
How to Create Empty Lists in Python | by ryan | Medium
October 26, 2024 - Empty lists are the starting point for many Python programs, whether you’re collecting user input, processing data, or building dynamic data structures.
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AskPython
askpython.com › python › list › create-an-empty-python-list
Create an Empty List in Python - 2 Easy Ways - AskPython
July 20, 2020 - The list() function returns an empty list if no arguments is passed to it. However, if data values are passed to it as arguments, the list() function returns the data values in the iterable.
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EDUCBA
educba.com › home › software development › software development tutorials › python tutorial › python empty list
Python Empty List | How to Declare Empty List with Examples
April 13, 2023 - In python, an empty list is defined ... there are two ways to do this, and they are done either by using square bracket [] or by using a list constructor such as list()....
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TutorialsPoint
tutorialspoint.com › article › how-to-create-an-empty-list-in-python
How to create an empty list in Python?
March 24, 2026 - The most common and efficient way to create an empty list in Python is using square brackets []. The list() constructor provides better readability, while multiplication with zero is primarily educational.
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GeeksforGeeks
geeksforgeeks.org › python › python-initialize-empty-array-of-given-length
Python - Initialize empty array of given length - GeeksforGeeks
In this example, we are using Python List comprehension for 1D and 2D empty arrays. Using list comprehension like [[0] * 4 for i in range(3)] creates independent lists for each row.
Published: July 12, 2025
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Onextdigital
onextdigital.com › empty-list-python
Empty list python: How to make and remove it
July 19, 2023 - To begin, the empty square bracket notation [] generates a new list object with no elements. Second, the no-argument list() constructor also returns an empty list object. In Python, we may make an empty list by adding square brackets to a variable.
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Medium
medium.com › swlh › efficiently-checking-for-an-empty-list-in-python-76b76099fbd3
Efficiently Checking for an Empty List in Python | by Frank Scholl | The Startup | Medium
November 22, 2019 - That means whatever is done behind the scenes has native support in C for determining if the list is empty. If you look into the source code of Python, you’ll find that the comparison is looking at the C object’s size property and returning True if it is greater than 0 or False if it isn’t.
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freeCodeCamp
freecodecamp.org › news › how-to-check-if-a-list-is-empty-in-python
Python isEmpty() equivalent – How to Check if a List is Empty in Python
April 19, 2023 - In the code above, we used an if statement and the not operator to check if the people_list was empty. You can use the len() function in Python to return the number of elements in a data structure.