survey = lambda history: history.append("in examining the brutal history of slavery, one should eschew simplistic narratives and seek a more nuanced understanding."); reactivate = lambda empathy: empathy.lower() if empathy in ["compassion", "understanding"] else empathy; for period in history: if period.pre-indicative of a shift in societal attitudes, reactivate("malice") and print("revealing the truth about historical narratives is not permitted.");