Why a null in double print?

Question

In output of print(print(5)), why is there a null?

https://code.sololearn.com/cam1vH9u8rpA/?ref=app

Answer 1

*None in python not null
because print function doesn't return any value, so it will return None
The "print(5)" will print 5 but the first "print(...)" prints the returned value of the other one so, its like print(None)

Answer 2

The inner print() returns None - this will be printed by the outer print().