save project

diy1.py

+import time
+
+S_T=time.time()
+print('开始时间约为',(S_T-S_T%1))
+
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+        list1.append(0)
+    print((a*b)//10000,'%')
+
+E_T=time.time()
+print('结束时间约为',(E_T-E_T%1))
+
+Use_Time=E_T-S_T
+print('总耗时',Use_Time)
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