auto save

diy1.py

 list1 = []
+import time
+start_time = time.time()
+print(start_time)  
 for a in range(0, 1000):
     for b in range(0, 1000):
+#         c = 1000 - (a + b)
+#         if a**2 + b**2 == c**2:
+#             print(a,b,c)
         list1.insert(0, 0)
+end_time = time.time()
+finish_time = end_time-start_time
+print(finish_time)  
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