CSV

One of the most common ways a file is structured is as a comma-separated value. This is a clear-text file that contains data, which is basically represented as rows and columns. Frequently, these files are used to exchange data. A CSV file has a simple structure. Each piece of data is separated by a comma and then a new line for another record. An example of a CSV file is as follows:

firstName, lastName, age
Celina, Jones, 18
Cailyn, Henderson, 13
Cayden, Smith, 42

You will, at some point in your life, come across CSV files as they are very common. The Go programming language has a standard library that is used for handling CSV files: encoding/csv:

package main
import (
    "encoding/csv"
    "fmt"
    "io"
    "log"
    "strings"
)
func main() {
    in := `firstName, lastName, age
Celina, Jones, 18
Cailyn...