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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 requirements(self):
 """Process requirements."""

        class dotdict(dict):  # pylint: disable=invalid-name
            """Dot notation access to dictionary attributes."""

            def __getattr__(self, attr):
                value = self.get(attr)
                return dotdict(value) if isinstance(value, dict) else value

        return dotdict(self._meta.metadata.requirements)