save project

diy1.py

-list1 = []
+  import time
+  start_time = time.time()
+  print("开始时间为："，start_time)
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+        c = 1000-a-b
+        if a**2 + b**2 == c**2: 
+            print()
\ No newline at end of file