save project

diy1.py

-list1 = []
-for a in range(0, 1000):
-    for b in range(0, 1000):
-        list1.insert(0, 0)
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+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_tine=time.time
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