Padding and alignment

---

examples/printf-padding/printf_padding.go

package main

import (
    "fmt"
)

func main() {
    people := make(map[string]int)
    people["Ann"] = 1
    people["George"] = 23
    people["Rose"] = 345

    for name, number := range people {
        fmt.Printf("%v | %v\n", name, number)
    }
    fmt.Println()
    for name, number := range people {
        fmt.Printf("%-6v | %v\n", name, number)
    }
    fmt.Println()
    for name, number := range people {
        fmt.Printf("%-6v | %3v\n", name, number)
    }
}