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diy1.py

@@ -4,9 +4,9 @@ start_time=time.time()
 print("开始时间：",start_time)
 print("开始时间：",start_time)
 list1 = []
 list1 = []
 for a in range(0, 1000):
 for a in range(0, 1000):
-    for b in range(0, 1000):
-        list1.insert(0, 0)
-print(list1)
+    b=999-a
+    list1.insert(0, 0)
+
 end_time=time.time()
 end_time=time.time()
 print("结束时间：",end_time)
 print("结束时间：",end_time)