save project

diy1.py

+import time
+start_time=time.time()     #格林威治时间(1970.01.01 00:00:00) 到现在
+print('start_time:'+str(start_time))
 list1 = []
 list1 = []
-for a in range(0, 1000):
-    for b in range(0, 1000):
-        list1.insert(0, 0)
+for a in range(1000):
+    for b in range(1000):
+        #!list1.insert(0, 0)
\ No newline at end of file
+        list1.append(0)
+end_time=time.time()
+result=end_time-start_time
+print('end_time:'+str(end_time))
+print('result:'+str(result))
\ No newline at end of file