Golang : Write multiple lines or divide string into multiple lines

Problem :

You have a long string and you need to divide the string into multiple lines. How to do that in Golang?

Solutions :

Solution 0 :

 "line 1" +
 "line 2" +
 "line 3"

Solution 1 ( for web):

 func SayHelloWorld(w http.ResponseWriter, r *http.Request) {
 html := "Hello"
 html = html + " World"

 w.Write([]byte(html))
 }

Solution 2:

 """line 1
 line 2
 line 3"""

Solution 3:

 `line 1
 line 2
 line 3`