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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 standardize_language(language, plugin):
 """Maps a string to the equivalent Pygments language. Returns the standardized language string. """


    if not language:
        return None

    # standardize language for this plugin
    if plugin:
        plugin = plugin.split(' ')[-1].split('/')[0].split('-')[0]
        standardized = get_language_from_json(language, plugin)
        if standardized is not None:
            return standardized

    # standardize language against default languages
    return get_language_from_json(language, 'default')