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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 install_handler(self, event_type, handler, user_handle=None):
 """Installs handlers for event callbacks in this resource. :param event_type: Logical event identifier. :param handler: Interpreted as a valid reference to a handler to be installed by a client application. :param user_handle: A value specified by an application that can be used for identifying handlers uniquely for an event type. :returns: user handle (a ctypes object) """


        return self.visalib.install_visa_handler(self.session, event_type, handler, user_handle)