大括号，也叫花括号，就是，代表了一个空字典。要在字典里面加项，可以使用方括号。
The squiggly-brackets, , represent an empty dictionary. To add items to the dictionary, you can use square brackets.
大括号，也叫花括号，就是，代表了一个空字典。要在字典里面加项，可以使用方括号。
The squiggly-brackets, , represent an empty dictionary. To add items to the dictionary, you can use square brackets.
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