def VCF_name(file, first_name, last_name):
    """
    This function add names to VCF file
    :param file: file object
    :param first_name: Name
    :type first_name:str
    :param last_name: Name
    :type last_name:str
    :return: None
    """
    file.write('N:' + last_name + ';' + first_name + ';;;' + '\n')
    file.write('FN:' + first_name + ' ' + last_name + '\n')
