save project

diy1.py

-import time
-stat_time=time.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)
-end_time=time.time()
-d=end_time-star_time
-print(end_time)
-print('总用时:',d)
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+a=[20,39,48,2,9]
+n=len(a)
+for i in range(0,n-1):
+    for j in range(0,n-1):
+        if a[j]>a[j+1]:
+            a[j],a[j+1]=a[j+1],a[j]
+    print(a)
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