def eval_lazy_data(content, variables_mapping=None, functions_mapping=None):
    """ evaluate data instantly.
        Notice: variables_mapping should not contain any variable or function.
    """
    variables_mapping = variables_mapping or {}
    check_variables_set = set(variables_mapping.keys())
    return parse_lazy_data(
        prepare_lazy_data(
            content,
            functions_mapping,
            check_variables_set
        ),
        variables_mapping
    )
evaluate data instantly.
        Notice: variables_mapping should not contain any variable or function.