package main
import "fmt"

func main() {
	var a int = 5
	var b int = 6
	var c = a + b // 数字拼接
	fmt.Println("c=",c)

	var d = "hello"
	var e = " world"
	var f = d + e  // 字符串拼接
	fmt.Println("f=",f)
}