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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 flatten(self, redact=False):
 """Create a hierarchy of OrderedDicts containing the data from this view, recursively reifying all views to get their represented values. If `redact` is set, then sensitive values are replaced with the string "REDACTED". """

        od = OrderedDict()
        for key, view in self.items():
            if redact and view.redact:
                od[key] = REDACTED_TOMBSTONE
            else:
                try:
                    od[key] = view.flatten(redact=redact)
                except ConfigTypeError:
                    od[key] = view.get()
        return od