def selection_sort(array) n = array.length - 1 i = 0 while i <= n - 1 smallest = i j = i + 1 while j <= n smallest = j if array[j] < array[smallest] j += 1 end array[i], array[smallest] = array[smallest], array[i] if i != smallest i += 1 end end arr = ([9,8,3,1,2,55,68,48].shuffle) #We have taken a rondom example and also shuffling it selection_sort(arr) puts "Sorted array is: #{arr.inspect}"