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("start",start_time)
+for a in range(0, 500+1):
\ No newline at end of file
+    for b in range(0, 500+1):
+        c = 1000 - a - b
+        if a*a+b*b==c*c:
+             print(a,b,c)
+end_time = time.time()
+print("end",end_time)
+cost_time = end_time - start_time
+print(cost_time)
+