Go Grade Calculator

//go 1.6

//Grade Calculator


package main
import "fmt"
func main() {
    score := 0

    fmt.Printf("\n\tEnter your score:  ")
    fmt.Scanln(&score)

    fmt.Printf(sc2gr(score))
}

func sc2gr(score int) string{
    grade := "F"

    if(score>0 && score<100){
        if(score>90) {
            grade = "A"
        }else if(score>80) {
            grade = "B"
        }else if(score>70) {
            grade = "C"
        }else if(score>60) {
            grade = "D"
        }
    }else {
        fmt.Printf("\n\tERROR: Invalid score\n")
    }

    return grade
}