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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_new_header(configuration, pofile):
 """ Insert info about edX into the po file headers """

    team = pofile.metadata.get('Language-Team', None)
    if not team:
        return TRANSIFEX_HEADER.format(configuration.TRANSIFEX_URL)
    return TRANSIFEX_HEADER.format(team)