docs: def dirtool(operation, directory):
      """
      Tools For Directories (If Exists, Make And Delete)
  
      :raises ValueError: Nor a string or a list was provided.
      """
      operation = operation.lower()
      if operation == 'exists':
          return bool(os.path.exists(directory))
      if operation == 'create':
          os.makedirs(directory)
      elif operation == 'delete':
          os.rmdir(directory)
      else:
          raise ValueError('Invalid operation provided.')