}
type langSpec struct {
	date   string // Date
	desc   string // Description
	change string // Change
	thsep  string // Thousand separator
	decsep string // Decimal separator

var lang = map[string][]string{
	"en-US": {"Date", "Description", "Change",
		",",  // thousand separator
		"."}, // decimal separator

var lang = map[string]langSpec{
	"en-US": {"Date", "Description", "Change", ",", "."},

// - use strings.Builder{} for creating output

// - use strings.Builder for creating output

	s := strings.Builder{}
	s.WriteString(fmt.Sprintf("%-10s | %-25s | %s\n", st[0], st[1], st[2]))

	var s strings.Builder
	s.WriteString(fmt.Sprintf("%-10s | %-25s | %s\n", st.date, st.desc, st.change))

			return "", errors.New("date parsing failed: %w")

			return "", fmt.Errorf("date parsing failed: %w", err)

			return "", errors.New("conversion error: %w")

			return "", fmt.Errorf("conversion error: %w", err)

	a := thoucents(amount, lang[locale][3], lang[locale][4])

	a := thoucents(amount, lang[locale].thsep, lang[locale].decsep)

	ret := strings.Builder{}

	var ret strings.Builder

	ret := strings.Builder{}

	var ret strings.Builder