如何使用Python比较同一字典关键字中的嵌套字典值

def compare_nested_dict_values(dict1, dict2):
    for key in dict1:
        if key not in dict2:
            return False
        if isinstance(dict1[key], dict) and isinstance(dict2[key], dict):
            if not compare_nested_dict_values(dict1[key], dict2[key]):
                return False
        elif dict1[key] != dict2[key]:
            return False
    return True

# 示例字典
dict1 = {
    'key1': {
        'nested_key1': 'value1',
        'nested_key2': 'value2'
    },
    'key2': {
        'nested_key3': 'value3',
        'nested_key4': 'value4'
    }
}

dict2 = {
    'key1': {
        'nested_key1': 'value1',
        'nested_key2': 'value2'
    },
    'key2': {
        'nested_key3': 'value3',
        'nested_key4': 'value4'
    }
}

# 比较字典值
result = compare_nested_dict_values(dict1, dict2)
print(result)  # 输出 True