save project

diy2.py

 alist = [88, 75, 72, 82, 90, 85, 78, 91]
 
+n = len(alist)
 #i表示第几轮排序
-for i in range(0,7):
-    for j in range(0,7): #j表示列表的索引下标
+for i in range(0,n-1):
+    for j in range(0,n-1): #j表示列表的索引下标
         # 比较大小并交换
         if alist[j] > alist[j+1]:
             alist[j],alist[j+1] = alist[j+1],alist[j]