auto save

diy1.py

+import time
+
+start_time = time.time()
+print("The time start:",start_time)
+
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
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+        list1.insert(0, 0)
+end_time = time.time()
+print("The time finish:",end_time)
+
+result = end_time - start_time
+print("总共耗时：",result)
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