codewars/go/stepik/1/string_task.go

package main

import (
	"bufio"
	"fmt"
	"os"
	"strings"
	"unicode"
	"unicode/utf8"
)

func main() {

	// text, _ := bufio.NewReader(os.Stdin).ReadString('\n')
	// text = strings.Trim(text, "\n\r")
	// rs := []rune(text)
	// if (unicode.IsUpper(rs[0])) && (strings.HasSuffix(text, ".")) {

	// 	fmt.Println("Right")
	// } else {
	// 	fmt.Println("Wrong")
	// }

	/*
		text, _ := bufio.NewReader(os.Stdin).ReadString('\n')
		text = strings.TrimRight(text, "\n")
		rs := []rune(text)
		if unicode.IsUpper(rs[0]) && rs[len(rs)-1] == '.' {
			fmt.Println("Right")
		} else {
			fmt.Println("Wrong")
		}
	*/

	text, _ := bufio.NewReader(os.Stdin).ReadString('\n')
	text = strings.TrimRight(text, "\n")
	firstChar, _ := utf8.DecodeRuneInString(text)
	lastChar, _ := utf8.DecodeLastRuneInString(text)
	if unicode.IsUpper(firstChar) && lastChar == '.' {
		fmt.Println("Right")
	} else {
		fmt.Println("Wrong")
	}

}