def get_word_counter(word_vocab):
    """
    Convert a list of tuple of words and their frequencies in word vocabulary to dictionary.
    Key is word and value is its frequency.
    Args:
        word_vocab: A list of tuple of words and their frequencies.
    Returns: A dictionary with word as the key and its frequency in word vocabulary as the value.
    """
    return {word: count for word, count in word_vocab}