def captcha(captcha_id)
      response = perform('captcha', captcha: captcha_id)
      DeathByCaptcha::Captcha.new(response)
    end
def captcha(captcha_id)
      response = perform('captcha', captcha: captcha_id)
      DeathByCaptcha::Captcha.new(response)
    end
Retrieve information from an uploaded captcha.

 @param [Integer] captcha_id Numeric ID of the captcha.

 @return [DeathByCaptcha::Captcha] The captcha object.