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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 stop(self):
 """Stops the context. This terminates all PIDs and closes all connections."""


    log.info('Stopping %s' % self)

    pids = list(self._processes)

    # Clean up the context
    for pid in pids:
      self.terminate(pid)

    while self._connections:
      pid = next(iter(self._connections))
      conn = self._connections.pop(pid, None)
      if conn:
        conn.close()

    self.__loop.stop()