save project

my_search.py

@@ -18,3 +18,7 @@ def binary_search(alist,num):
             low=mid+1
             low=mid+1
         else:
         else:
             high=mid-1
             high=mid-1
+    return None
+return=binary_search(alist,num)
+print("给的数是:",num)
+print("索引是:",result)
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