code: def format_sentence(sentence, resource):
          
          sentence = sentence.split('{{')
          updated_sentence = sentence[0].rstrip()
          for part in sentence[1:]:
              replace, keep = part.split('}}')
              replace = replace.strip()
              updated_sentence = "%s %s%s" % (
                  updated_sentence,
                  resource[replace],
                  keep
              )
          return updated_sentence
docs: Populate the placeholders in the sentence.
  
          :param sentence: The sentence with placeholder keywords.
          :type sentence: basestring, str
  
          :param resource: The resource to be placed into the sentence.
          :type resource: dict
  
          :returns: The formatted sentence.
          :rtype: basestring