def IS_LINE_JUNK(line, pat=re.compile(r"<STR_LIT>").match):
return pat(line) is not None<EOL>
r"""
    Return 1 for ignorable line: iff `line` is blank or contains a single '#'.

    Examples:

    >>> IS_LINE_JUNK('\n')
    True
    >>> IS_LINE_JUNK('  #   \n')
    True
    >>> IS_LINE_JUNK('hello\n')
    False