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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def make_sequence(obj):
 """ Given an object, if it is a sequence return, otherwise add it to a length 1 sequence and return. Useful for wrapping functions which sometimes return single objects and other times return lists of objects. Parameters obj : object An object to be made a sequence Returns as_sequence : (n,) sequence Contains input value """

    if is_sequence(obj):
        return np.array(list(obj))
    else:
        return np.array([obj])