auto save

diy2.py

+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的值分别为：",a,b,c)
+end_time = time.time()
+print("结束时间为:",end_time)
\ No newline at end of file

diy3.py

+alist = [20,17,9,13,8,6]
+
+n = len(alist)
+for i in range(0,n-1):
+    for j in range(0,n-1):
+        if alist[j] >alist[j+1]:
+            alist[j],alist[j+1] = alist[j+1],alist[j]
+    print(alist)