save project

diy1.py

 import time
 import time
 a=time.time()
 a=time.time()
-print("开始时间"+,)
+print("开始时间",a)
 list1 = []
 list1 = []
 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)
 b=time.time()
 b=time.time()
 print("结束时间",b)
 print("结束时间",b)
 c=b-a
 c=b-a