save project

my_search.py

@@ -17,4 +17,8 @@ def binary_search(alist,num):
         elif guess<num:
             low=mid+1
         else:
-            high=mid-1
\ No newline at end of file
+            high=mid-1
+    return None
+return=binary_search(alist,num)
+print("给的数是:",num)
+print("索引是:",result)
\ No newline at end of file