Tell us what’s happening:
Hello, in the solution of the problem appears an exclamation mark before the array.
What’s is the meaning of this? I understand the logic without the exclamation mark, i’m very confused.
Your code has been blurred out to avoid spoiling a full working solution for other campers who may not yet want to see a complete solution. In the future, if you post a full passing solution to a challenge and have questions about it, please surround it with [spoiler] and [/spoiler] tags on the line above and below your solution code.