def merge_dicts(*dicts: dict) ->dict:
    """ 依次合并多个字典。merge multiple dict one by one.

    Examples::

        offset_limit_schema = {'offset': Validation(...), 'limit': Validation(...)}
        ...
        schema = merge_dicts(offset_limit_schema, from_to_schema, payment_schema)
    """
    dict_merged = {}
    for d in dicts:
        dict_merged.update(d)
    return dict_merged
