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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 document_delete(index, doc_type, id, hosts=None, profile=None):
    '''
    Delete a document from an index

    index
        Index name where the document resides
    doc_type
        Type of the document
    id
        Document identifier

    CLI example::

        salt myminion elasticsearch.document_delete testindex doctype1 AUx-384m0Bug_8U80wQZ
    '''
    es = _get_instance(hosts, profile)

    try:
        return es.delete(index=index, doc_type=doc_type, id=id)
    except elasticsearch.exceptions.NotFoundError:
        return None
    except elasticsearch.TransportError as e:
        raise CommandExecutionError("Cannot delete document {0} in index {1}, server returned code {2} with message {3}".format(id, index, e.status_code, e.error))