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Hello World

Open text editor and create hello_world.go file and copy the below code.

package main

import "fmt"

func main() {
    fmt.Println("Hello World")
}

Open terminal and change to directory where hello_world.go is present.
Run go fmt hello_world.go to clean up the code formatting.
```
go fmt hello_world.go
```
Run go build hello_world.go to compile the source code.
```
go build hello_world.go
```
Run the executable file hello_world.exe (if on windows)

Windows
```
$ hello_world.exe
Hello World
```
Linux
```
$ ./hello_world
Hello World
```

Formatting Go Lang Code

Importance and Advantage of go fmt.
1. Go has this amazing support of go fmt.
2. It auto formates code to get rid of extra spaces, fix indentations, and make the code better.
There are also other tools like go vet, go test, etc which helps to improve code quality.

Formatting Go Lang Code