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python - How do I check if a list is empty? - Stack Overflow
For sequences, (strings, lists, tuples), use the fact that empty sequences are false: The second way seems better if you wish to signal that seq is expected to be some sort of list-like object. @BallpointBen try using Python's type hinting for signaling what a variable should be. It was introduced in 3.5.
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Check if a list is empty or not in Python - GeeksforGeeks
In article we will explore the different ways to check if a list is empty with simple examples. The simplest way to check if a list is empty is by using Python's not operator. 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. Explanation:
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Python isEmpty() equivalent – How to Check if a List is Empty in Python
In this article, you'll learn how to check if a list is empty by: Using the not operator. Using the len() function. Comparing the list to an empty list. The not operator in Python is used for logical negation. Here's an example: not returns true when an operand is false, and false if an operand is true.
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Python Check If List is Empty[4 Methods] - Python Guides
In this Python tutorial, you will learn about Python check If list is empty using different methods and multiple examples. While working on an e-commerce website project in Python, I needed to check whether the cart was empty so I could send an alert message to the user that the cart was empty.
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Check if List is Empty in Python (4 Methods - Examples) - PyTutorial
Learn how to use not, len(), ternary conditional expression and == operator to determine if a list is empty in Python. Compare the pros and cons of each method and see code examples.
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3 Simple Ways to Check If a List is Empty in Python - Codefather
Learn three simple ways to check if a list is empty in Python using len(), not operator, or comparison with an empty list. See examples, explanations, and code snippets for each method.
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How to Check if a Python List is Empty - datagy
Learn how to use Python to check if a list is empty using various methods, such as if, bool, equality, length, and any. Also, see how to check if a list of lists or a NumPy array is empty.
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How to Check if a List is Empty in Python - Flexiple
Learn different ways to check if a list is empty in Python using len(), not, or comparison operators. See examples and PEP8 recommendations for the most Pythonic way.
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Check If a List is Empty in Python - Online Tutorials Library
Learn how to check if a list is empty in Python with simple examples and explanations.
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Check if list is empty - Python Examples
To check if Python List is empty, you can write a condition if the length of the list is zero or not; or you can directly use the list reference along with not operator as a condition in if statement. Following is the syntax to use not operator and the list as a condition to check if the list is empty. statement(s)