go string builder

package main

import (
    "fmt"
    "strings"
)

func main() {
    var builder strings.Builder // Step 1: Create a strings.Builder instance

    // Step 2: Use the WriteString method to append strings to the builder
    builder.WriteString("Hello, ") // Append "Hello, "
    builder.WriteString("Go ")     // Append "Go "
    builder.WriteString("String ") // Append "String "
    builder.WriteString("Builder!") // Append "Builder!"

    result := builder.String() // Step 3: Get the final concatenated string using String method

    fmt.Println(result) // Step 4: Print the result
}