auto save

faq.py

+import time
+start_time = time.time()
+print("开始时间为：",start_time)
+for a in range(0,1001):
+    for b in range(0,1001):
+        c = 1000-a-b
+        if a**2 + b**2 == c**2:
+            print("a,b,c的值分别为：",a,b,c)
+end_time = time.time()
+print("结束时间为：",end_time)
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