def serialize_chain(op_chain: List[Tuple[str, str]]) -> str:
    """
    Serialize operation chain.

    Operation chain is list of (fn, args) tuples.

    Return string in form: fn1(args1) -> fn2(args2) -> ...

    Leave dangling arrow at end.

    """
    # implement
    output_str = ""
    for op in op_chain:
        output_str += f"{op[0]}({op[1]}) -> "
    return output_str

    Serialize operation chain.

    Operation chain is list of (fn, args) tuples.

    Return string in form: fn1(args1) -> fn2(args2) -> ...

    Leave dangling arrow at end.

    
llama-index-packs/llama-index-packs-tables/llama_index/packs/tables/chain_of_table/base.py