save project

diy1.py

+import time 
+start_time = time.time()
 list1 = []
 list1 = []
+print("开始时间为：",start_time)
 for a in range(0, 1000):
 for a in range(0, 1000):
     for b in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
+# for i in range(0,100000):
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+#         list1.append(0)
+end_time = time.time()
+print("结束时间为：",end_time)
+t = end_time - start_time
+print("用时",t,"秒")
+# 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的值为：",a,b,c) 
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