计算不包含任何类型的列表的平均值和最小值

def calculate_average_and_min(numbers):
    if not numbers:
        return None, None
    
    total = sum(numbers)
    average = total / len(numbers)
    min_value = min(numbers)
    
    return average, min_value

# 示例列表
numbers = [3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5]
average, min_value = calculate_average_and_min(numbers)

print(f"平均值: {average}")
print(f"最小值: {min_value}")

def filter_numbers(numbers):
    return [num for num in numbers if isinstance(num, (int, float))]

# 示例列表
mixed_list = [3, 1, 'a', 4, 1, 5, 9, 2, 6, 5, 3, 5, True]
filtered_numbers = filter_numbers(mixed_list)
average, min_value = calculate_average_and_min(filtered_numbers)

print(f"过滤后的平均值: {average}")
print(f"过滤后的最小值: {min_value}")