auto save

diy1.py

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