except (KeyError, TypeError, ValueError): value = None ``` 这种方式比下面的LBYL写法更加Pythonic: ```python if 'x' in d and isinstance(d['x'], str) \ and d['x'].isdigit(): value = int(d['x']) ...
cumichun6193的博客python字典{:>4} 欢迎 (Welcome) In this article, you will learn how to work with Python dictionaries, an incredibly helpful built-in data type that you will definitely use in your projects. 在本文...