save project

diy1.py

+import time
 list1 = []
-for a in range(0, 1000):
-    for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+stime=time.time()
+for a in range(0, 100):
+    for b in range(0, 100):
+        list1.insert(0, 0)
+etime=time.time()
+print("结束时间是",etime)
+print("总用时",stime-etime)
\ No newline at end of file