Question

How to create two dimensional (2D) slice in Go

Answer 1

package main
 
import "fmt"
 
func main() {
    slice := [][]int{{1, 2, 3},
                     {4, 5},
                     {6, 7, 8, 9},
    }
     
    fmt.Println(slice)
    fmt.Println(slice[0])
    fmt.Println(slice[0][2])
    fmt.Println()
     
    for _, row := range slice {
		for _, val := range row {
			fmt.Printf("%2d", val)
		}
		fmt.Println()
	}
}
  
  
  
/*
run:
  
[[1 2 3] [4 5] [6 7 8 9]]
[1 2 3]
3

 1 2 3
 4 5
 6 7 8 9
  
*/

 

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