def _format_tokens_for_simulation(tokens: Sequence[str]) -> str:
    """
    Format tokens into a string with each token marked as having an "unknown" activation, suitable
    for use in prompts.
    """
    entries = []
    for token in tokens:
        entries.append(f"{token}\t{UNKNOWN_ACTIVATION_STRING}")
    return "\n".join(entries)

    Format tokens into a string with each token marked as having an "unknown" activation, suitable
    for use in prompts.
    
neuron_explainer/activations/activation_records.py