save project

diy1.py

+import time
+start_time=time.time()
+list1 = []
+for i in range(0,1000):
+    for i in range(0,1000):
+        list1.insert(0,0)
+end_time=time.time()
+ji=end_time-start_time
+print(ji)
\ No newline at end of file