save project

diy1.py

-list1 = []
-for a in range(0, 1000):
-    for b in range(0, 1000):
-        list1.insert(0, 0)
+# import time
+# start_time = time.time()
+# print('开始时间:',start_time)
+
\ No newline at end of file
+# list1 = []
+# for a in range(0, 1000):
+#     for b in range(0, 1000):
+#         list1.insert(-1, 0)
+# end_time = time.time()
+# print('时间:',end_time)
+# resuit = end_time - start_time
+# print('总耗时:',resuit)
+
+alist = [88,75,72,82,90,85,78,91]
+n = len(alist)
+for i in range(0,n-1):
+    for j in range(0,n-1):
+        if alist[j] < alist[j + 1]:
+            alist[j],alist[j + 1] = alist[j + 1],alist[j]
+    print(alist)
\ No newline at end of file