auto save

1.py

+for i in range(10):
+    for j in range(10):
+        print(i,j)
+        
\ No newline at end of file

diy1.py

+import time 
+
+r = time.time()
+print("开始时间为",r)
 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.insert(0,0)
\ No newline at end of file
+l = time.time()
+print("结束时间为",l)
+c = r - l
+print("需要的时间是",c)
\ No newline at end of file