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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 unset(self, section, option):
 """Remove option from section."""

        with self._lock:
            if not self._config.has_section(section):
                return
            if self._config.has_option(section, option):
                self._config.remove_option(section, option)
                self._dirty = True
            if not self._config.options(section):
                self._config.remove_section(section)
                self._dirty = True