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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_request_hooks(self):
 """ initialize pre request hooks"""

        for method_type in ('pre', 'post'):
            for method in _METHODS:
                event = getattr(self.app, 'on_' + method_type + '_' + method)
                event_hook = getattr(hooks, method_type + '_' + method)
                event += event_hook