A = ['t','u','t','o','r','i','a','l'] for i in range(len(A)): min_= i for j in range(i+1, len(A)): if A[min_] > A[j]: min_ = j #swap A[i], A[min_] = A[min_], A[i] # main for i in range(len(A)): print(A[i])