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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_after_tld_chars(self):
 """ Initialize after tld characters """

        after_tld_chars = set(string.whitespace)
        after_tld_chars |= {'/', '\"', '\'', '<', '>', '?', ':', '.', ','}
        # get left enclosure characters
        _, right_enclosure = zip(*self._enclosure)
        # add right enclosure characters to be valid after TLD
        # for correct parsing of URL e.g. (example.com)
        after_tld_chars |= set(right_enclosure)

        return after_tld_chars