docs: def format_person_name(text):
      """Capitalize first letter for each part of the name.
  
      Example::
  
          person_name = "James Bond"
  
      **中文文档**
  
      将文本修改为人名格式。每个单词的第一个字母大写。
      """
      text = text.strip()
      if len(text) == 0:  # if empty string, return it
          return text
      else:
          text = text.lower()  # lower all char
          # delete redundant empty space
          words = [word for word in text.strip().split(" ") if len(word) >= 1]
          words = [word[0].upper() + word[1:] for word in words]
          return " ".join(words)