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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 call(self, methodname, *args, **kwargs):
 """Call a common method on all the plugins, if it exists."""


        for plugin in self._plugins:
            method = getattr(plugin, methodname, None)
            if method is None:
                continue
            yield method(*args, **kwargs)