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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 extract_abbreviations(fulltext):
 """Extract acronyms from the fulltext. :param fulltext: utf-8 string :return: dictionary of matches in a formt { } or empty {} """

    acronyms = {}
    for k, v in get_acronyms(fulltext).items():
        acronyms[KeywordToken(k, type='acronym')] = v
    return acronyms