How to write CSV data to file

gistfile1.go

package main

import (
  "encoding/csv"
  "fmt"
  "os"
)

func main() {
  csvfile, err := os.Create("output.csv")
  if err != nil {
          fmt.Println("Error:", err)
          return
  }
  defer csvfile.Close()

  records := [][]string{{"item1", "value1"}, {"item2", "value2"}, {"item3", "value3"}}

  writer := csv.NewWriter(csvfile)
  for _, record := range records {
          err := writer.Write(record)
          if err != nil {
                  fmt.Println("Error:", err)
                  return
          }
  }
  writer.Flush()
}