compare() function compare(apple, orange) compare(orange, apple) compare(apple, apple) compare(apple, ) compare(, apple) compare(, ) compare(1, 2) compare(2, 1) compare(1, 1) compare(2, 10) compare(10, 2) compare(1, -1) compare(-1, 1) compare(apple, APPLE) compare(APPLE, apple) compare(cafe, café) compare(café, cafe) compare(small, ⼤) compare(⼤, small) compare(⼤, ⼤) compare(⼤, ⼩) compare(⼩, ⼤)

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