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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 iter(self, *, encoding=None, decoder=None):
 """Same as get method but its native coroutine. Usage example: """

        return _IterHelper(self,
                           is_active=lambda ch: ch.is_active,
                           encoding=encoding,
                           decoder=decoder)