📂Programing

Differences between is and == in Python

Code

if type(150421) is int :
    print("!")
else :
    print("?")

x = [1,2]
y = [1,2]
x == y
x is y

Description

When looking at Python code on GitHub, sometimes you see is. Apart from the fact that the code reads smoothly like a sentence, there are clear differences from == and it’s good to use it appropriately:

• == simply compares values. It’s intuitive because it compares the appearance that is actually visible to us.
• is compares the objects that pointers are pointing to. Essentially, it tells us whether the two are the same.