save project

diy1.py

+import time
+star_time=time.time()
+print("开始时间为：",star_time)
 list1 = []
-for a in range(0, 1000):
-    for b in range(0, 1000):
+for a in range(0, 100):
+    for b in range(0, 100):
         list1.insert(0, 0)
+end_time=time.time()
+print('结束时间为：',end_time)
+c=end_time-star_time
+print('用时：',c)  
\ No newline at end of file