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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 _write_entries(self, stream, entries, converter, properties=None):
 """Write iterable of entries as YAML object to stream. Args: stream: File-like object. entries: Iterable of entries. converter: Conversion function from entry to YAML object. properties: Set of compartment properties to output (or None to output all). """

        def iter_entries():
            for c in entries:
                entry = converter(c)
                if entry is None:
                    continue
                if properties is not None:
                    entry = OrderedDict(
                        (key, value) for key, value in iteritems(entry)
                        if key == 'id' or key in properties)
                yield entry

        self._dump(stream, list(iter_entries()))