Set float up to a certain decimal point without rounding in Python

truncate_float_f_up_to_n_decimals.py

def truncate_float(f: float, n: int):
    """
    Truncate float `f` to at most `n` decimal points.
    - truncate_float(1.9333, 2) -> 1.93
    - truncate_float(1.9373, 2) -> 1.93
    - truncate_float(1.9, 2) -> 1.9
    
    https://stackoverflow.com/questions/29246455/python-setting-decimal-place-range-without-rounding

    Parameters
    ----------
    f : float
        the floating point number to be truncated
    n : int
        the number of decimals to be truncated to

    Returns
    -------
    float
        the truncated float
    """
    return math.trunc(f * 10 ** n) / 10 ** n