save project

1.py

+import time
+begin_time=time.time()
+print("开始时间为",begin_time)
+for a in range(0, 1000):
+    for b in range(0, 1000):
+        c=1000-a-b
+        if a**2+b**2==c**2:
+            print("a,b,c分别为",a,b,c)
+end_time=time.time()
+print("结束时间为",end_time)
+end_time=end_time-begin_time
+print("总共用时",end_time)
\ No newline at end of file

diy1.py

+import time
 list1 = []
+begin_time=time.time()
+print("开始时间为",begin_time)
 for a in range(0, 1000):
     for b in range(0, 1000):
-        list1.insert(0, 0)
\ No newline at end of file
+        list1.insert(0, 0)
+end_time=time.time()
+print("结束时间为",end_time)
+end_time=end_time-begin_time
+print("总共用时",end_time)
\ No newline at end of file