code: func (p *terminalPrompter) PromptConfirm(prompt string) (bool, error) {
  	input, err := p.Prompt(prompt + " [y/N] ")
  	if len(input) > 0 && strings.ToUpper(input[:1]) == "Y" {
  		return true, nil
  	}
  	return false, err
  }
docs: // PromptConfirm displays the given prompt to the user and requests a boolean
  // choice to be made, returning that choice.