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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 get_topic_keyword_dictionary():
 """ Opens the topic-keyword map resource file and returns the corresponding python dictionary. - Input: - file_path: The path pointing to the topic-keyword map resource file. - Output: - topic_set: A topic to keyword python dictionary. """

    topic_keyword_dictionary = dict()
    file_row_gen = get_file_row_generator(get_package_path() + "/twitter/res/topics/topic_keyword_mapping" + ".txt",
                                          ",",
                                          "utf-8")
    for file_row in file_row_gen:
        topic_keyword_dictionary[file_row[0]] = set([keyword for keyword in file_row[1:]])

    return topic_keyword_dictionary