save project

diy1.py

+import time
+
+start_time=time.time()
+print('开始时间'+str(start_time))
 list1 = []
 list1 = []
 for a in range(0, 1000):
 for a in range(0, 1000):
     for b in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
+        list1.append(0)
\ No newline at end of file
+
+end_time=time.time()
+print('结束时间'+str(end_time))
+
+print('用时'+str(end_time-start_time))
+#0.00099945068359375 0.0319821834564209 0.014990568161010742
\ No newline at end of file