save project

diy1.py

-import time
-
-star_time = time.time()
-print("开始时间为",start_time)
-
-list1 = []
-for a in range(0, 1000):
-    for b in range(0, 1000):
-        list1.insert(0, 0)
-end_time = time.time()
-print("结束时间",end_time)
-
-result = end_time - star_time
-print("总共耗时: ",result)
+alist = [88,75,72,78,89,56,90,30,50]
+n = len(alist)
+for i in range（0，n-1)
+    for i in range(0,n-1)
+        if alist[j]<alist[j+1]  
+            alist[j+1],alist[j+1] = alist[j+1],alist[j]
+    print(alist)