func hasAPrefixIn(y string, xs []string) bool {
	for _, x := range xs {
		if strings.HasPrefix(y, x) {
			return true
		}
	}
	return false
}
// At least one of the strings in xs is a prefix of y
At least one of the strings in xs is a prefix of y
// At least one of the strings in xs is a prefix of y
func hasAPrefixIn(y string, xs []string) bool {
	for _, x := range xs {
		if strings.HasPrefix(y, x) {
			return true
		}
	}
	return false
}
func hasAPrefixIn ( y string , xs [ ] string ) bool { for _ , x := range xs { if strings . HasPrefix ( y , x ) { return true } } return false }
At least one of the strings in xs is a prefix of y
At least one of the strings in xs is a prefix of y