Your response should contain at least 200 words. Your answer must contain a title, wrapped in double angular brackets, such as <<Understanding the Basics of Python Programming>>. The response must contain at least 3 placeholders represented by square brackets, such as [variable]. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. At the end of your response, please explicitly add a postscript starting with *P.S.*.
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