code: def make_sentence (sent_text):
      
      lex = []
      idx = 0
  
      for word in sent_text:
          if len(word) > 0:
              if (idx > 0) and not (word[0] in ",.:;!?-\"'"):
                  lex.append(" ")
  
              lex.append(word)
  
          idx += 1
  
      return "".join(lex)
docs: construct a sentence text, with proper spacing