def format_list_elements(str_list, format_dict):
    """
    Format a list of formattable stings.

    :param list str_list: The list of strings.
    :param format_dict: The dictionary specifying the values of the formattable parts of the strings.
    :return: A list of formatted
    :rtype: str list

    :Example:

        >>> format_list_elements(['a_{i}', 'b_{i}', 'c_{i}'], {'i':0})
        ['a_0', 'b_0', 'c_0']

    """
    formatted_list = [element.format(**format_dict) for element in str_list]
    return formatted_list