@staticmethod
def _print_2_columns(col1, col2):
    """print using a 2-columns format """
    column1_len = 24
    column2_start = 28
    left = col1.ljust(column1_len)
    right = col2.replace('\n', '\n' + column2_start * ' ')
    return '  %s  %s' % (left, right)
