17 lines
197 B
Go
17 lines
197 B
Go
package main
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import "fmt"
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func main() {
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data := map[int]struct{}{
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1: {}, 2: {}, 3: {}, 4: {}, 5: {},
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}
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for key := range data {
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fmt.Print(key, " ")
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}
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fmt.Println()
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fmt.Println(data)
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}
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