save project

diy1.py

-list1 = []
-for a in range(0, 1000):
-    for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+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为",a,b,c)
+end_time=time.time()
+print("结束时间为",end_time)
+use_time=end_time-start_time
+print("使用时间",use_time)