save project

diy1.py

+import time
+
+a = time.time()
+print(a)
+
 list1 = []
 list1 = []
 for a in range(0, 1000):
 for a in range(0, 1000):
-    for b in range(0, 1000):
-        list1.insert(0, 0)
+    # for b in range(0, 1000):
+        list1.insert(0, 0)
\ No newline at end of file
+        print(list1)
+b = time.time()
+print(b)
+
+result = b - a
+print("总共耗时：",)
+
+

diy999.py

+import time
+
+result = time.time()
+print(result)
\ No newline at end of file