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In Python, you can check if a list is empty using the built-in len() function, or by checking the boolean value of the list itself. Here are two examples:
my_list = [] # An empty list
# Method 1: Using the len() function
if len(my_list) == 0:
print("The list is empty")
# Method 2: Checking the boolean value of the list
if not my_list:
print("The list is empty")
In the first example, the len() function is used to check the length of the list. If the length is equal to 0, then the list is empty.
In the second example, the boolean value of the list is checked. An empty list has a boolean value of
False, so the not operator is used to check if the list is empty.
Both methods are equivalent, and you can use whichever method you prefer.
Aryan Kumar
01-May-2023In Python, you can check if a list is empty using the built-in len() function, or by checking the boolean value of the list itself. Here are two examples:
In the first example, the len() function is used to check the length of the list. If the length is equal to 0, then the list is empty.
In the second example, the boolean value of the list is checked. An empty list has a boolean value of False, so the not operator is used to check if the list is empty.
Both methods are equivalent, and you can use whichever method you prefer.
Gulshan Negi
29-Apr-2023Hello this is Gulshan Negi
Well, using Python's built-in len() function or the list's boolean value, you can determine whether a list is empty.
Here's an example using the len() function:
Hope it will work for you
Thanks
Krishnapriya Rajeev
28-Apr-2023We can use the Pythonic method of checking if a list is empty using its implicit booleanness. This is shown below in the case of an empty list:
If the list is not empty: