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![Programming Puzzles & Code Golf](//cdn.sstatic.net/codegolf/img/apple-touch-icon.png)
A kitten is much like a cat. Some of the main differences are cuteness, lack of intelligence, and size. Similarly, the cat command is different from the kitten command. Fortunately, there is only one difference in this case. In the kitten command, all uppercase letters are replaced with lowercase...