save project

diy1.py

+import time
 list1 = []
 list1 = []
+a=time.time()
+print('开始时间',a)
 for a in range(0, 1000):
 for a in range(0, 1000):
     for b in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
+        list1.append(0)
\ No newline at end of file
+s=time.time()
+print('结束时间',s)
+d=s-a
+print('时间差是',d)
\ No newline at end of file

qw.py

+import time
+a=time.time()
+print(a)
\ No newline at end of file