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)
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