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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 filter_sequences(self, seq_type):
 """Return a DictList of only specified types in the sequences attribute. Args: seq_type (SeqProp):
 Object type Returns: DictList: A filtered DictList of specified object type only """

        return DictList(x for x in self.sequences if isinstance(x, seq_type))