python3----冒泡排序

 1 array = [1, 6, 7, 2, 9, 4]
 2 for i in range(len(array)-1, 1, -1):
 3     for j in range(0, i):
 4         if array[j] > array[j+1]:
 5             array[j], array[j+1] = array[j+1], array[j]
 6 print(array)
 7 
 8 results:
 9 
10 [1, 2, 4, 6, 7, 9]