![]() ![]() We can write “equal” in Python using the (=) operator. However, the “=” operator will compare the values of both variables. If both the variables (var1 and var2) refer to the same object, they will have the same ID. The “is” keyword is used to compare the variables and string whether they are pointing to the same object or not. What Is the Difference between Equality and Identity Operators? ![]() In Python, it is also referred to as the equality operator. You can use this operator to compare the value of two objects to determine whether they are equal or not. The “is” and “is not” keywords are called identity operators that check if the objects are exactly the same or not. Learn at your own pace with hands-on exercises and quizzes See why millions of people turn to Udemy’s real-world experts to learn Python. Interested in expanding your Python knowledge? Check out our Python learning guide. Now that you know what is vs = is, Python learning awaits you. On the contrary, = in Python works as an equality operator to determine whether they are equal or not. The “is” keyword is called the identity operator that will check if the two objects are the same or not. Both operators have different usage but are used for the main purpose of comparison. We hope that this article has helped you understand how to use Python = vs is. Python 'is' vs '=' Operator: Head-to-Head ComparisonĬhecks it the value of two objects is same or not Tus var_a and var_c both refer to different objects in the memory.Ĭomplete Python Bootcamp From Zero to Hero in Python The range of these numbers might vary depending on your interpreter ( -5 to +256). It will refer to its memory address whenever the object is referenced. It means that the interpreter will substantiate these values only once. The Python interpreter will intern the smaller numbers at fixed memory locations. The “=” operator will call the class a._eq_() method, which might work differently, depending on the interpreter, and provide a different result. This means it will check if “a” refers to the None object and nothing else.īut with the following example: a = None In this case, the interpreter will compare for its identity only and cannot be overruled. It will call the _eq_() class method of the object on the left of the operator and check for equality.
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