save project

diy1.py

 import time
-a = time.time()
-print(a)
+d = time.time()
+print("开始时间为"+str(d))
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
-b = time.time()
-print(b)
-print(a-b)
\ No newline at end of file
+        list1.insert(-1, 0)
+e = time.time()
+print("结束时间为"+str(e))
+c = e-d
+print("一共用时：",c)
+print(list1)
\ No newline at end of file