def format_testcase_func_name_input(function_name, testcase):
    """
    use the form of "assert func_name(input) == "
    """
    # TODO should there be a space after the == ?
    input_str = ", ".join(testcase.split("\n"))
    return f"assert {function_name}({input_str}) == # TODO"

    use the form of "assert func_name(input) == "
    
scripts/lcb_runner/prompts/test_output_prediction.py