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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 param_fetch_one(self, name):
        '''initiate fetch of one parameter'''
        try:
            idx = int(name)
            self.mav.param_request_read_send(self.target_system, self.target_component, "", idx)
        except Exception:
            self.mav.param_request_read_send(self.target_system, self.target_component, name, -1)