1// compile
2
3// Copyright 2018 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7package main
8
9func ascii(r rune) rune {
10	switch {
11	case 97 <= r && r <= 122:
12		return r - 32
13	case 65 <= r && r <= 90:
14		return r + 32
15	default:
16		return r
17	}
18}
19
20func main() {
21	nomeObjeto := "ABE1FK21"
22	println(string(nomeObjeto[1:4]))
23	println(ascii(rune(nomeObjeto[4])) >= 48 && ascii(rune(nomeObjeto[4])) <= 57)
24	println(string(nomeObjeto[5]))
25	println(string(nomeObjeto[6:10]))
26}
27