save project

diy1.py

+import time
+
+star_time = time.time()
+print("开始时间为",start_time)
+
 list1 = []
 for a in range(0, 1000):
     for b in range(0, 1000):
         list1.insert(0, 0)
+end_time = time.time()
+print("结束时间",end_time)
+
+result = end_time - star_time
+print("总共耗时: ",result)