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)