auto save

diy1.py

+import time
 list1 = []
+
+starttime=time.time()
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+        list1.insert(0, 0)
+endtime=time.time()
+time=endtime-starttime
+print(time)
\ No newline at end of file