code: def emojis(self):
          
          url = self._build_url('emojis')
          return self._json(self._get(url), 200)
docs: Retrieves a dictionary of all of the emojis that GitHub supports.
  
          :returns: dictionary where the key is what would be in between the
              colons and the value is the URL to the image, e.g., ::
  
                  {
                      '+1': 'https://github.global.ssl.fastly.net/images/...',
                      # ...
                  }