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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 destroyManager(self, force=False):
 """Delete any YadisServiceManager with this starting URL and suffix from the session. If there is no service manager or the service manager is for a different URL, it silently does nothing. @param force: True if the manager should be deleted regardless of whether it's a manager for self.url. """

        if self.getManager(force=force) is not None:
            key = self.getSessionKey()
            del self.session[key]