code: def get_key(dotenv_path, key_to_get, verbose=False):
      
      key_to_get = str(key_to_get)
      if not os.path.exists(dotenv_path):
          if verbose:
              warnings.warn(f"Can't read {dotenv_path}, it doesn't exist.")
          return None
      dotenv_as_dict = dotenv_values(dotenv_path)
      if key_to_get in dotenv_as_dict:
          return dotenv_as_dict[key_to_get]
      else:
          if verbose:
              warnings.warn(f"key {key_to_get} not found in {dotenv_path}.")
          return None
docs: Gets the value of a given key from the given .env
  
      If the .env path given doesn't exist, fails
      :param dotenv_path: path
      :param key_to_get: key
      :param verbose: verbosity flag, raise warning if path does not exist
      :return: value of variable from environment file or None