code: def validate_corpus_exist(corpus_name):
      if corpus_name not in listdir(DATASETS_FOLDER):
          print(
              f"Corpus {corpus_name} is not in existed in {DATASETS_FOLDER}"
          )
          sys.exit(1)
  
file_path: underthesea/underthesea/corpus/validate_corpus.py
imports: import sys
  from os import listdir
  from os.path import join, basename
  import charset_normalizer
  from underthesea.feature_engineering.text import Text
  from underthesea.file_utils import DATASETS_FOLDER
  from underthesea.pipeline.word_tokenize import tokenize
label_desc: Use image node_id 2 for calling a global function with example usage: validate_corpus_exist(corpus_name) without return types