<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def update_health_monitor(self, health_monitor, body=None):
 """Updates a load balancer health monitor."""

        return self.put(self.health_monitor_path % (health_monitor), body=body)