package main import ( "fmt" "unicode/utf8" ) func oddWord(word string) string { length := utf8.RuneCountInString(word)/2 + (utf8.RuneCountInString(word) % 2) str := make([]rune, length) i := 0 for index, runeValue := range word { if index%2 == 1 { str[i] = runeValue i++ } } return string(str) } func main() { word := "パタトクカシーー" fmt.Println(oddWord(word)) }