How the answer is 1111?

Question

It's a Challenge question. I have entered correct answer but don't know it came. Can anyone please explain. See the below Screenshot.

https://photos.app.goo.gl/EUm84Fbc7mKVbRWt8

Answer 1

Yes AJ, you are right

Answer 2

function print() has the default output equals 1
so 1.print(1).1 => 1.11.1 => 1111

Answer 3

Vladimir It means print function return 1? So here print(1) will print 1 and echo print will give output 1 so finally output will be 11. Right?

Answer 4

https://code.sololearn.com/w1z8Ptkh78db/?ref=app