alist = [88, 75, 72, 82, 90, 85, 78, 91] n = len(alist)-1 for i in range(0,n): for j in range(0,n): if alist[j] >alist[j + 1]: alist[j], alist[j + 1] = alist[j + 1], alist[j] print(alist)