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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 logo_as_data_uri(self):
 """This TaxPayer's logo as a data uri."""

        _, ext = os.path.splitext(self.logo.file.name)
        with open(self.logo.file.name, 'rb') as f:
            data = base64.b64encode(f.read())

        return 'data:image/{};base64,{}'.format(
            ext[1:],  # Remove the leading dot.
            data.decode()
        )