Summary - Go basics

Combine package, fmt and comments to write your first Go program.

In this section you learned the building blocks of Go:

Now you will combine these concepts by writing a small program.

Exercise Write a welcome message

Add a fmt.Println line inside the empty main. The output must be Welcome to Go.

Show example solution

package main

import "fmt"

func main() {
    fmt.Println("Welcome to Go")
}

Add a // comment to the program and produce the output Let us start with fmt.Println.

Show example solution

package main

import "fmt"

func main() {
    // Welcome message
    fmt.Println("Let us start")
}

Program skeleton

package main

import "fmt"

func ____() {
    fmt.Println("Ready")
}

Show answer

package main

import "fmt"

func main() {
    fmt.Println("Ready")
}

Next lesson: go mod init