如何用列表生成式将字典的键和值调换顺序

如何用列表生成式将字典的键和值调换顺序，谢谢你们解答我，我需要三十个字符额，对不起

dic = {'a': 1, 'b': 2, 'c': 3}

dic_ = {dic[i]: i for i in dic}

# python version >= 3.7
dic_ = dict(zip([dic[i] for i in dic], [i for i in dic]))