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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 code_to_names(category, code):
 """ Given the code for a language, script, or region, get a dictionary of its names in various languages. """

    trie_name = '{}_to_name'.format(category)
    if trie_name not in TRIES:
        TRIES[trie_name] = load_trie(data_filename('trie/{}.marisa'.format(trie_name)))

    trie = TRIES[trie_name]
    lookup = code.lower() + '@'
    possible_keys = trie.keys(lookup)
    names = {}
    for key in possible_keys:
        target_language = key.split('@')[1]
        names[target_language] = get_trie_value(trie, key)
    return names