save project

diy1.py

-list1 = []
-for a in range(0, 1000):
-    for b in range(0, 1000):
-        list1.insert(0, 0)
+import time
+start_time=time.time()
+print("开始时间:",start_time)
+for a in range(0, 1001):
\ No newline at end of file
+    for b in range(0, 1001):
+        c=1000-a-b
+        if a**2+b**2==c**2 and a+b+c==1000:
+            print("a,b,c的值:",a,b,c)
+end_time=time.time()
+print("结束时间：",end_time-start_time)        
\ No newline at end of file

o.py

+import time
+start_time=time.time()
+a=[]
+for i in range(0,100):
+    for b in range(0, 1000):
+        a.append(0)
+        #a.insert(0,0)
+end_time=time.time()
+print("结束时间：",end_time-start_time)        
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