def is_hdfs_path(path):
    """
    Check if a given path is HDFS uri

    Args:
      path (str):  input path

    Returns:
      bool:  True if input is a HDFS path, False otherwise

    >>>is_hdfs_path("/tdk")
    False
    >>>is_hdfs_path("hdfs://aa:123/bb/cc")
    True
    """
    return path.startswith("hdfs://")