def latest_prices_for_this_crypto(latest_price_dicts_list, name):
    """ Returns a list of prices (floats).

    Args:
        latest_price_dicts_list (a list of dicts): each dict looks like this: {'channel_name': value,...}
        name (str): the name of the crypto, for which the latest prices must be returned
    """
    latest_prices = []
    for lpf in range(len(latest_price_dicts_list)):
        single_dict, timestamp = latest_price_dicts_list[lpf]
        if name in single_dict:
            price_point = single_dict[name]
            if price_point != -1:
                latest_prices.append(price_point)
    return latest_prices