code: def augment(
      self,
      texts: Union[str, List[str]],
      insert_text: List[str],
  ) -> List[str]:
      transformed_texts = []
      for text in texts:
          transformed_text = text
          for _ in range(self.num_insertions):
              text_choice = self.seeded_random.choice(insert_text)
  
              if self.insertion_location == "append":
                  transformed_text = f"{transformed_text} {text_choice}"
              elif self.insertion_location == "prepend":
                  transformed_text = f"{text_choice} {transformed_text}"
              else:
                  words = transformed_text.split()
                  random_loc = self.seeded_random.randint(0, len(words))
                  words.insert(random_loc, text_choice)
                  transformed_text = " ".join(words)
          transformed_texts.append(transformed_text)
  
      return transformed_texts
  
imports: from random import Random
  from typing import List, Optional, Union
label_desc: Use image node_id 2 for calling the InsertTextAugmenter obj's underlying member method code with example usage: obj.augment(texts, insert_text) and returns: transformed_texts