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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_full_description(self, s, base=None):
 """Get the full description from a docstring This here and the line above is the full description (i.e. the combination of the :meth:`get_summary` and the :meth:`get_extended_summary`) output Parameters s: str The docstring to use base: str or None A key under which the description shall be stored in the :attr:`params` attribute. If not None, the summary will be stored in ``base + '.full_desc'``. Otherwise, it will not be stored at all Returns ------- str The extracted full description"""

        summary = self.get_summary(s)
        extended_summary = self.get_extended_summary(s)
        ret = (summary + '\n\n' + extended_summary).strip()
        if base is not None:
            self.params[base + '.full_desc'] = ret
        return ret