Definition:
It checks whether two variables refer to the same memory location; if they do, it returns True, otherwise False.
Now you will clearly understand with the help of the diagram.
a (variable) ────────────────┐
↓
┌───────────┐
│ 1, 2 │ ← (memory / object)
└─────↑─────┘
│
value
↑
b (variable) ────────────────┘
Syntax:
a is bExample:
a = [1, 2]
b = a
print(a is b)Output:
Exercise
a = [1, 2] and b = a. Check whether a is b.