save project

diy.py

+import time 
+yyds=[]
+start_time = time.time()
+print("开始的时间为:", start_time)
+for i in range(0,1000000):
+    yyds.append(i)
+print(yyds)
+end_time = time.time()
+print("时间为:", end_time-start_time)
\ No newline at end of file