save project

diy1.py

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