如何计算没有正确数字的数字的位数

def calculate_digit_count(number):
    # 将数字转换为字符串
    number_str = str(number)

    # 去除非数字字符
    cleaned_str = ''.join(c for c in number_str if c.isdigit())

    # 计算剩余字符的位数
    digit_count = len(cleaned_str)

    return digit_count

# 测试示例
number = 'A123B456C789'  # 带有非数字字符的字符串
digit_count = calculate_digit_count(number)
print('位数:', digit_count)