Urgent! In need of assistance and answers

Question

How on earth does anyone get thisWHAT IS A FUNCTION WHAT IS A REF WHO IS LEN THANKS thanks xoxo

Answer 1

Emilia Walker I also want to know who is xoxo? 😁

Answer 2

By the end of the course you should be able to understand them. It's completely fine to not understand these things as a beginner.
Kindly consider watching YouTube videos on those topics or try reading a book or blogs on the internet.

Answer 3

And when you complete courses, you understand programmer HUMOR 😉

Answer 4

https://www.sololearn.com/post/179883/?ref=app