Explain the difference between "is" and "==" operators in Python.
Explain the difference between "is" and "==" operators in Python.
Ask by Utpal Vishwas
Updated 27 Jun 2023
Sure. The
isand==operators in Python are used to compare objects, but they do so in different ways.The
isoperator compares the identity of two objects, while the==operator compares the equality of two objects.For example, the following code will print
Truebecause the two variablesaandbrefer to the same object in memory:Python
However, the following code will print
Falsebecause the two variablesaandcrefer to different objects in memory, even though they have the same value:Python
The
==operator, on the other hand, will always returnTrueif two objects have the same value, regardless of whether they are the same object in memory. For example, the following code will printTruefor botha is banda == c:Python
In general, you should use the
isoperator when you want to check whether two variables refer to the same object, and you should use the==operator when you want to check whether two objects have the same value.Here is a table that summarizes the difference between the
isand==operators in Python:is==