save project

diy1.py

+import time
+s_t=time.time()
 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(1000*a+b, 0)
\ No newline at end of file
+e_d=time.time()
+print(list1)
+print(e_d-s_t)