save project

my_search.py

@@ -19,3 +19,7 @@ def binary_search(alist,num):
         else:
         else:
             high=mid-1
             high=mid-1
     return None
     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)