1. Quick Examples of Checking if String is EmptyIf you are in a hurry, below are some quick examples of how to check whether the given string is empty or not in Python.# Quick Examples # Using not to check if string is empty print(not "") # => True print(not " ") # => ...
You can simply check if the List is empty with: ifnotmy_list:print("List is empty") This is using theTruth Value Testingin Python, also known as implicit booleaness or truthy/falsy value testing. Among other rules it defines that empty sequences and collections like'', (), [], {},...
php// array declaration$array1=array("hello","world");$array2=array();//checking whether arrays are empty or notif(empty($array1)){echo"array1 is empty";}else{echo"array1 is not empty";}if(empty($array2)){echo"array2 is empty";}else{echo"array2 is not empty";}?> Output arra...
if not None or not '': print('Not empty!') The first condition is if “not None”, which evaluates to True. The second condition is “or not ””, which also evaluates to True. Therefore, the entire expression evaluates to True and the print statement is executed. Not none In Pytho...
Get Your Code:Click here to download the free sample codethat you’ll use to check if a string contains a substring. Take the Quiz:Test your knowledge with our interactive “How to Check if a Python String Contains a Substring” quiz. You’ll receive a score upon completion to help you...
Hello, codedamn learners! Today, we are going to delve deep into a ubiquitous yet crucial aspect of Python programming: checking if a list is empty. This task may seem trivial, but understanding it thoroughly can make a significant difference in your
Check Empty Text File in Python If you are doing batch processing or processing that part of a bigger process, you will not be putting any output to a screen. You would have different alerts to let you know what is going on so you can interrupt and fix things. ...
To check if a string is empty or whitespace using the len() function in Python, we will use the following steps.First, we will find the length of the input string using the len() function. We will store the length in a variable str_len. Now, we will check if the length of the...
In this tutorial, we are going to learn about how to check if a list is empty or not in Python with the help of examples. Checking if list…
<?php$emptyArray=array();$size=sizeof($emptyArray);echo("The size of the array is $size. \n");if(sizeof($emptyArray)==0)echo("The array is empty.");?> Output: The size of the array is 0.The array is empty. Usecount()Function to Check Whether an Array Is Empty in PHP ...