排序 

 1 # 排序
 2 li = [12,1,45,23,78,34,90,32]
 3 n = len(li)
 4 print(li)
 5 # 遍历所有元素
 6 for i in range(n):
 7     for j in range(i+1, n):
 8         if li[i] > li[j]:
 9             li[i], li[j] = li[j], li[i]
10 print(li)
11 '''
12 [12,1,45,23,78,34,90,32]
13 i = 0 j=[1,7]  
14 i=0 j=1  1 12 45,23,78,34,90,32
15 i=0 j=2  1 12 45,23,78,34,90,32
16 i=0 j=7  1 12 45,23,78,34,90,32
17 i=1 j=[2,7]
18 i=1 j=2   1 12 45,23,78,34,90,32
19 i=1 j=7   1 12 45,23,78,34,90,32
20 i=2 j=[3,7]
21 i=2 j=3  1 12 23 ,45,78,34,90,32
22 i=2 j=7  1 12 23 ,45,78,34,90,32
23 i=3 j=[4,7]
24 i=3 j=4  1 12 23 ,45,78,34,90,32
25 i=3 j=5  1 12 23 ,34,78,45,90,32
26 i=3 j=6   1 12 23 ,34,78,45,90,32
27 i=3 j=7   1 12 23 ,32,78,45,90,34
28 
29 i=4 j=[5,7]
30 i=4 j=5.....
31 
32 
33 '''

 

posted @ 2019-07-29 19:27  巨菜的小鸟  阅读(95)  评论(0)    收藏  举报