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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 runBrain(self, f):
 """ Run a brain program in the background. """

        if self.error:
            self.error.value = ""
        def wrapper():
            self.brain_running.set()
            try:
                f()
            except KeyboardInterrupt:
                # Just stop
                pass
            except Exception as e:
                if self.error:
                    self.error.value = "<pre style='background: #fdd'>" + traceback.format_exc() + "</pre>"
                else:
                    raise
            finally:
                self.brain_running.clear()
            # Otherwise, will show error
        threading.Thread(target=wrapper).start()