def selection_sort(arr): print('arr', arr) for i in range(len(arr)): print('start of i loop...', 'i', i) # index of the minimum index minx = i print('minx', minx) for j in range(i+1, len(arr)): if arr[j] < arr[minx]: minx = j # Swap values tmp = arr[minx] arr[minx] = arr[i] arr[i] = tmp print('') L = [7, 3, 9, 2] print('L', L) selection_sort(L)