save project

diy1.py

 list1 = []
 list1 = []
+import time
+start_time=time.time()
 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
+        # c=1000-a-b
+        # if a**2+b**2==c**2:
+        #     print("结果 a:",a,"b:",b,"c:",c)
+end_time=time.time()
+use_time=end_time-start_time
+print(use_time)
\ No newline at end of file