02 Printf和Println的区别

package main
import "fmt"
func main() {
    a := 10
    b := 20
    c := 30
    //格式化输出
    fmt.Printf("a = %d,b = %d,c = %d\n", a, b, c)
    //自动换行，不用%d这种格式去定义
    fmt.Println("a = ", a, ",b = ", b, ",c = ", c)
}