Challenge quiz explanation Ruby

Question

How many times will the following loop execute?
arr = [5, 6, 8, 3]
arr.reverse!
arr[1].times{puts "in a loop"}
Answer is 8
I have no clue as to what just happened!

Answer 1

Let's break down the code:

arr = [5,6,8,3] creates an array with 4 elements.

arr.reverse! reverses the sequence of all of the elements in the list, making arr now equal to [3,8,6,5]

arr[1].times{puts "In a loop} will take the element at the index of 1 (because array indexes start from 0, the element at the index of one would be 8), and loop through whatever is in the curly brackets that number of times.

As a result, the code will print out 'in a loop' 8 times.

Answer 2

That makes sense. Thank you Faisal.