def meta_improver_v2(func, input_data):
    """
    Improves a given function by catching errors and generating fixed versions.

    Args:
        func (function): The original function to be improved.
        input_data: Sample input data for the function.

    Returns:
        The best performing version of the function.
    """
    try:
        return func(input_data)
    except Exception as e:
        fixed_func = learn_from_failure(func, input_data, str(e))
        if fixed_func is not None and fixed_func(input_data) > func(input_data):
            return fixed_func
        else:
            return func