auto save

diy1.py

+import time
+
+start_time = time.time()    # 开始时间
+print("开始时间为--：", 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)
+        print(a,b)
+end_time = time.time()      # 结束时间
+print("结束时间为：", end_time)
+
+result = end_time - start_time
+print("总共耗时：", result)
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