auto save

diy1.py

+import time
+
+start_time = time.time()
+print("开使时间为:",start_time)
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+        list1.insert(-1, 0)
+end_time = time.time()
+print("节数时间为:",end_time)
+
+result = end_time - start_time
+print("总共耗时",result)
+

diy2.py

+alist = [12,15,20,17,9,13,8,6]
+
+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)
+
+
+
+
+
+
+
+
+
+