def data() -> str:
    """
    Test data for day_01.

    Returns
    -------
    data: str
    """
    data = (
        '35\n20\n15\n25\n47\n40\n62\n55\n65\n95\n102\n117\n150\n182\n127\n'
        '219\n299\n277\n309\n576'
    )
    return data