def load(file, file_format=None, **kwargs):
    """Load data from json/yaml/pickle files.

    This method provides a unified api for loading data from serialized files.

    Args:
        file (str or :obj:`Path` or file-like object): Filename or a file-like
            object.
        file_format (str, optional): If not specified, the file format will be
            inferred from the file extension, otherwise use the specified one.
            Currently supported formats include "json", "yaml/yml".

    Examples:
        >>> load('/path/of/your/file')  # file is stored in disk
        >>> load('https://path/of/your/file')  # file is stored on internet
        >>> load('oss:https://path/of/your/file')  # file is stored in petrel

    Returns:
        The content from the file.
    """