auto save

1.py

+import time
+s_time=time.time()
+print("开始时间是:",s_time)
+for a in range(0,1001):
+    for b in range (0,1001):
+        for c in range (0,1001):
+            if a**2+b**2==c**2 and a+b+c==1000:
+                print(a,b,c)
+end_time=time.time()
+print("结束时间:",end_time)