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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 end(self):
        '''
        Dump the report into the output file.

        If the file directory does not exists, it will be created.
        The open file is then given as parameter to :meth:`~minibench.report.FileReporter.output`.
        '''
        dirname = os.path.dirname(self.filename)
        if dirname and not os.path.exists(dirname):
            os.makedirs(dirname)
        with open(self.filename, 'w') as out:
            self.out = out
            self.output(out)
            self.out = None