Multiple "is" in Python -


I have a list with a few hundred objects, and I want to check if any newcomer object is already added to me The list is not (a similar object, but this is a very accurate example).

I have a dumb feeling like this: 

  def is_one_of (test_object, all_objects): all_objects for elm: if test_object is elm: return true return false   
 Can not it be more beautiful?   
 
 
  Use any :  
 < code> if any (all_objects have test_object for X):   
 already looks like your code :)

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