save project

my_search.py

@@ -18,4 +18,8 @@ def binary_search(alist,num):
             low = mid + 1
         else:
             high = mid - 1
-    return None
\ No newline at end of file
+    return None
+
+result = binary_search(alist,num)
+print("老师给的数是:",num)
+print("它在列表里的索引是:",result)
\ No newline at end of file