from __future__ import annotations

import sys


def prompt_input(prompt: str) -> str:
    try:
        return input(prompt)
    except EOFError as exc:
        raise RuntimeError("Interactive input ended before choices were complete.") from exc


def pause_if_interactive() -> None:
    if sys.stdin.isatty():
        try:
            input("\nPress Enter to close...")
        except EOFError:
            pass