从嵌套字典中获取非等于值

def get_non_equal_values(dictionary, value):
    result = []
    for key, val in dictionary.items():
        if isinstance(val, dict):
            result.extend(get_non_equal_values(val, value))
        elif val != value:
            result.append(val)
    return result

nested_dict = {
    'key1': {
        'subkey1': 'value1',
        'subkey2': 'value2',
        'subkey3': 'value3'
    },
    'key2': {
        'subkey4': 'value4',
        'subkey5': 'value5',
        'subkey6': 'value6'
    },
    'key3': {
        'subkey7': 'value7',
        'subkey8': 'value8',
        'subkey9': 'value9'
    }
}

non_equal_values = get_non_equal_values(nested_dict, 'value2')
print(non_equal_values)

['value1', 'value3', 'value4', 'value5', 'value6', 'value7', 'value8', 'value9']