---
title: Difference between Python 'is' and '==' operators
`is` is a check for object identity - ie, checking if two or more variables are referring to the same object. You can't overload `is`. That object identity is established and assigned with `=`.
`==` evaluates to true if object referred to by the variables are equal. You can overload `==` via the `__eq__` operator.
## Return Value
The return value for both would be either `True` or `False`.
## Code Sample
a = 2.3
a is 2.3 # => False
a == 2.3 # => True
a = [234,123,321]
b = [234,123,321]
a == b # => True
a is b # => False
a = b
a is b # => True, because if we change a, b changes too
