def filter_numbers(data):
    new_data = []
    for dat in data:
        if type(dat) is int or float and not bool:
            new_data.append(float(dat))
    return new_data


def calculate_average(numbers):
    result = 0
    if len(numbers) == 0:
        result = 0
    else:
        for number in numbers:
            result += float(number)
    return result


def find_extremes(numbers):
    if not numbers:
        return (None, None)
    else:
        return min(numbers), max(numbers)


def analyze_data(data):
    new_data = filter_numbers(data)
    print(f"Среднее: {calculate_average(new_data)}")
    print(f"Минимум: {find_extremes(new_data)[0]}")
    print(f"Максимум: {find_extremes(new_data)[1]}")


my_list = []
analyze_data(my_list)