Go Loops

Count with the for statement.

package main
import "fmt"
func main() {
  for i := 1; i <= 3; i++ {
    fmt.Println(i)
  }
}

Output

1
2
3

Explanation

Go uses for for repetition. The counter starts at one, the condition is checked before each pass, and i++ advances it.

Explore the dry run

Guided walkthroughReady

1package main

2import "fmt"

3func main() {

4 for i := 1; i <= 3; i++ {

5 fmt.Println(i)

6 }

7}

Start to inspect the source, values, and output. These prepared steps explain the published sample; grouped loop steps describe multiple iterations.

View the complete dry-run table

Prepared trace of the published program. Some rows group repeated iterations.
Step / line	What happens	State after step	Output so far
	Initialize i to 1 and check i <= 3.	`—`	—
	Print each value, advancing i after every pass.	`i = 1 → 2 → 3 → 4`	1 2 3