code: def main():
      ar_strings = [
          'برلين ترفض حصول شركة اميركية على رخصة تصنيع دبابة "ليوبارد" الالمانية',
          "هل بإمكاني مساعدتك؟",
          "أراك في مابعد",
          "لحظة من فضلك",
      ]
      en_strings = [
          "This is a sentence.",
          "Barack Obama was born in Hawaii. He was elected President of the United States in 2008.",
      ]
      zh_strings = ["中国是一个很有意思的国家。"]
      # Testing with right to left language
      visualize_strings(ar_strings, "ar")
      # Testing with left to right languages
      visualize_strings(en_strings, "en")
      visualize_strings(zh_strings, "zh")
  
file_path: stanza/stanza/utils/visualization/dependency_visualization.py
imports: from stanza.models.common.constant import is_right_to_left
  import stanza
  import spacy
  from spacy import displacy
  from spacy.tokens import Doc
label_desc: Use image node_id 5 for calling a global function with example usage: main() without return types