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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 validate_object(brain_or_object, data):
 """Validate the entire object :param brain_or_object: A single catalog brain or content object :type brain_or_object: ATContentType/DexterityContentType/CatalogBrain :param data: The sharing dictionary as returned from the API :type data: dict :returns: invalidity status :rtype: dict """

    obj = get_object(brain_or_object)

    # Call the validator of AT Content Types
    if is_at_content(obj):
        return obj.validate(data=data)

    return {}