save project

diy1.py

-list1 = []
-for a in range(0, 1000):
-    for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+import time
+
+start_time=time.time()
+list=[]
+print("开始时间为：",start_time)
+for a in range(0,1001):
+    for b in range(0,1001):
+        list.append(0)
+end_time=time.time()
+print("结束时间为：",end_time)
+
+result=end_time-start_time
+print("总耗时为：",result)
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