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)