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package main |
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import ( |
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"fmt" |
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"os" |
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) |
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func main() { |
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if len(os.Args) == 2 { |
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arg := []rune(os.Args[1]) |
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for i, ch := range arg { |
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if ch >= 'a' && ch <= 'z' { |
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arg[i] = 'z' - ch + 'a' |
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} else if ch >= 'A' && ch <= 'Z' { |
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arg[i] = 'Z' - ch + 'A' |
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} |
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} |
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fmt.Print(string(arg)) |
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} |
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fmt.Println() |
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}
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