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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 wait_for_host(self, host):
 """Throttle requests to one host."""

        t = time.time()
        if host in self.times:
            due_time = self.times[host]
            if due_time > t:
                wait = due_time - t
                time.sleep(wait)
                t = time.time()
        wait_time = random.uniform(self.wait_time_min, self.wait_time_max)
        self.times[host] = t + wait_time