Definition:
It checks whether the two variables do not point to the same memory location. If they do not, it returns True. Otherwise, it returns False.
Now you will clearly understand with the help of the diagram.
a (variable) ────────────────┐
↓
┌───────────┐
│ 1, 2 │ ← (memory / object A)
└─────↑─────┘
│
value
b (variable) ────────────────┐
↓
┌───────────┐
│ 1, 2 │ ← (memory / object B)
└─────↑─────┘
│
value
Syntax:
a is not bExample:
a = [1, 2]
b = [1, 2]
print(a is not b)Output:
Exercise
a = [1, 2] and b = [1, 2]. Check whether a is not b.