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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 send_private_message(self, user_id, message):
 """ Send a message to a specific client. Returns True if successful, False otherwise """

        try:
            client = self.channels['private'][str(user_id)]
        except KeyError:
            print '====debug===='
            print self.channels['private']
            print 'client with id %s not found' % user_id
            return False
        
        client.send_message(message)
        print 'message sent to client #%s' % user_id
        return True