  def _ChoicesString(self) -> str:
    """Returns the display string for options available to the user.

    Returns:
      str: The yes/no display string, with the default choice capitalized, if
          default was specified.
    """
    if self._default_yes is not None:
      choices_str = '[Y/n]' if self._default_yes else '[y/N]'
    else:
      choices_str = '[y/n]'
    return choices_str
Returns the display string for options available to the user.

Returns:
str: The yes/no display string, with the default choice capitalized, if
default was specified.
libcloudforensics/prompts.py