How do the length and capacity parameters work in the make function

Determine what output the program will produce when two slices are created in different ways: one with only length, and the other with zero length but specified capacity. What will fmt.Println print?

package main

import "fmt"

func main() {
    a := make([]int, 10)
    b := make([]int, 0, 10)
    fmt.Println(a, b) // ????????
}