使用Python语言检查字典中的嵌套键

def check_nested_key(dictionary, *keys):
    """
    检查字典中是否存在指定的嵌套键
    :param dictionary: 要检查的字典
    :param keys: 嵌套键的路径，例如 ('a', 'b', 'c')
    :return: 如果存在返回True，否则返回False
    """
    if not keys:
        return True
    key = keys[0]
    if isinstance(dictionary, dict) and key in dictionary:
        return check_nested_key(dictionary[key], *keys[1:])
    return False

# 示例字典
example_dict = {
    'a': {
        'b': {
            'c': 123
        }
    }
}

# 检查嵌套键 'a', 'b', 'c'
result = check_nested_key(example_dict, 'a', 'b', 'c')
print(result)  # 输出: True

def get_nested_value(dictionary, *keys, default=None):
    if not keys:
        return dictionary
    key = keys[0]
    if isinstance(dictionary, dict) and key in dictionary:
        return get_nested_value(dictionary[key], *keys[1:], default=default)
    return default

value = get_nested_value(example_dict, 'a', 'b', 'd', default='Not Found')
print(value)  # 输出: Not Found

def check_nested_key(dictionary, *keys):
    if not keys:
        return True
    key = keys[0]
    if isinstance(dictionary, dict) and key in dictionary:
        return check_nested_key(dictionary[key], *keys[1:])
    return False