This is just experimentation, but why does this not work? It returns the same numbers that I started with in the array.
I tried this as I dont see the difference between .collect and .each
fibs = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55] # Add your code below! fibs.each do |fib| fib ** 2 puts fib end