code: def basic_english():
      """
      ### Basic  english tokenizer
  
      We use character level tokenizer in this experiment.
      You can switch by setting,
  
      ```
      'tokenizer': 'basic_english'
      ```
  
      in the configurations dictionary when starting the experiment.
  
      """
      from torchtext.data import get_tokenizer
  
      return get_tokenizer("basic_english")
  
file_path: annotated_deep_learning_paper_implementations/labml_nn/utils/tokenizer.py
imports: from typing import Callable
  from labml.configs import BaseConfigs, option
label_desc: Use image node_id 1 for calling a global function with example usage: basic_english() and returns: get_tokenizer