save project

diy1.py

+import time
+i=time.time()
+print("开始时间："i)
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
         list1.insert(0, 0)
+a=time.time()
+print("开始时间"a)
+j=a-i
+print("time:"j)
\ No newline at end of file