save project

diy1.py

+import time
+a=time.time()
+print("开始时间为",a)
 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)
+
+s=time.time()
+print("结束时间为",s)
+z=s-a
+print(z)
\ No newline at end of file