String Builder

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String Builder in Go
by yhuang Go fmt fmt.Fprintf fmt.Println strings strings.Builder 
package main

import (
	"fmt"
	"strings"
)

func main() {
	var b strings.Builder
	for i := 3; i >= 1; i-- {
		fmt.Fprintf(&b, "%d...", i)
	}
	b.WriteString("ignition")
	fmt.Println(b.String())
}

Last Run  :
3...2...1...ignition