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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 print_ldamodel_doc_topics(doc_topic_distrib, doc_labels, n_top=3, val_labels=DEFAULT_TOPIC_NAME_FMT):
 """Print `n_top` values from a LDA model's document-topic distributions."""

    print_ldamodel_distribution(doc_topic_distrib, row_labels=doc_labels, val_labels=val_labels,
                                top_n=n_top)