
What are the key features of [programming_language]? Your response should contain at least 4 placeholders represented by square brackets, such as [year]. Include keywords [programming_language], [syntax], [library], [performance], [community]. Your answer must contain a title, wrapped in double angular brackets, such as <<Key Features of [programming_language]>>. Highlight at least 2 sections in your answer with markdown, i.e. *highlighted section*. Your entire response should be in English, and in all lowercase letters. no capital letters are allowed.

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