[go-nuts] input and output about go

[2891132love]

  I am a beginning learner.there is a simple question about go,the program 
is in the following:
package main

import (
 "bufio"
 "fmt"
 "os"
)
func main() {
 
 counts := make(map[string]int)
 input := bufio.NewScanner(os.Stdin)
 for input.Scan() {
  counts[input.Text()]++
 }
 for line, n := range counts {
  if n > 1 {
   fmt.Println("%d\t%s\n", n, line)
  }
 }
}

the question is how I input the number and get the output result??

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