In the naive method we would do something just like this. We all would have known about the naive method. A simple solution is to use the == operator to compare the given string with an empty string. To check if string is empty, you can either use the string variable as is inplace of a condition along with not operator, or verify if the string equals empty string "" using equal to operator.. Using == operator. 1. This image shows a clear difference between Non-Zero, 0, … In this post, we will see how to check if a string is empty in Python. Does Python have something like an empty string variable where you can do: if myString == string.empty: Regardless, what's the most elegant way to check for empty string values? This blog post discusses which is the best method to find if a string is empty in python. No matter whether it’s just a word, a letter or a phrase that you want to check in a string, with Python you can easily utilize the built-in methods and the membership test in operator. >>> a=[] # Empty lists evaluate to False >>> if not a: print ("list is empty") else: print ("list is not empty") For Python, the term ‘Empty string’ is preferred. 1. Technique 3: Python ‘is’ operator to perform string equals check in python . This is an Empty string : data =‘’ And this is None. If String is of length zero that means it is an empty string. The Programming Recommendations (PEP 8) suggests that the not operator could be used in conjunction with the if condition, when the data type of the variable being checked for emptiness is known beforehand.. Python – Check if String is Empty. This can be used for lists and tuples as well. The is operator returns True if the two variables point to the same data object, else, it returns False.. Syntax: variable1 is variable2 Example: In this tutorial, I’ll show you how to know if a string contains a substring. In Python, empty list object evaluates to false. If you need to check if a String is empty or not in Python then you have the following options. Hence following conditional statement can be used to check if list is empty. Otherwise it returns false. Space, newline, and tabs etc are known as whitespace characters and are defined in the Unicode character database as Other or Separator.. Signature I find hard coding "" every time for checking an empty string not as good. Let's initiate a list object, get each string value using for, and copy it to the newly created object: Python String isspace() Method. You can use this to check if a string is empty or not. date = None. But let us see which one is the most effective and efficient method to find the empty string. Python: Check if string is empty or blank or contain spaces only Python: Open a file using “open with” statement & benefits explained with examples Python : How … Python isspace() method is used to check space in the string. It returna true if there are only whitespace characters in the string. Using the not operator with the if condition. A Null or empty string means that there is a string but its content is empty – len(‘ ’) ==0. How to check if a string contains a substring. In this tutorial, we will write example programs for … Here’s a function to check if a string is empty: [code]def is_empty(string): return not string.strip() [/code]Empty sequences are falsy and evaluate to False in a boolean context. This is for beginners and not recommended. Image Explains it all. Python “is” operator can be used to efficiently check for the equality of two string objects. Using len() function to check if String is empty. You can check length of String in Python using len() function. How to Split String with Empty Separator on Python.