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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 init_app(self, app, **kwargs):
 """kwargs holds initial dynaconf configuration"""

        self.kwargs.update(kwargs)
        self.settings = self.dynaconf_instance or LazySettings(**self.kwargs)
        app.config = self.make_config(app)
        app.dynaconf = self.settings