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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 get_config(self, key_name):
 """ Return configuration value Args: key_name (str):
 configuration key Returns: The value for the specified configuration key, or if not found in the config the default value specified in the Configuration Handler class specified inside this component """

        if key_name in self.config:
            return self.config.get(key_name)
        return self.Configuration.default(key_name, inst=self)