def cash_money(amount) -> dict:
    """
    Convert an amount of money into the fewest amount of bills and coins to represent it.

    :param amount: float
    :precondition: amount >= 0
    :precondition: amount is a float
    :postcondition: amount is broken down into the fewest amount of bills and coins that represent it
    :return: dictionary

    >>>cash_money(66.53)
    {50: 1, 10: 1, 5: 1, 1: 1, 0.25: 2, 0.01: 3}
    """

    denominations = {100: 0, 50: 0, 20: 0, 10: 0, 5: 0, 2: 0, 1: 0, .25: 0, .1: 0, .05: 0, .01: 0}

    if amount < 0:
        raise ValueError("Variable, amount, must be >= 0")

    try:
        for d in denominations:
            denominations[d] = int(amount // d)
            amount -= denominations[d] * d
    except TypeError:
        raise TypeError("Variable, amount, must have type integer or float")
    else:
        return {k: v for k, v in denominations.items() if denominations[k] > 0}
