Тhis code does not work properly !¡ Овај код не ради исправно !¡

Question

https://code.sololearn.com/ct3jy8DyYbw0/?ref=app

Answer 1

Thanks RandomCoder and others.Now working :) !¡
Xвалa RandomCoder и осталим. Cад ради :) !¡

Answer 2

I did not notice who was the first :) .Sorry.Thanks Serhii Ivaniuk.Greetings from Srbija :) ¡!
Нисам приметио ко је први :) .Извини и хвала Serhii Ivaniuk.Поздрсв из Србије :) !¡

Answer 3

@Serhii Ivaniuk got before me😁
Your welcome👍

Answer 4

ou.. delete spaces in names of variables

Answer 5

Error is name of book
Should be nameofbook