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不可变对象=》可哈希 对于不变对象来说，调用对象自身的任意方法，也不会改变该对象自身的内容。相反，这些方法会创建新的对象并返回，这样，就保证了不...

‘unicode' 是python字符串(str) 内置的编码格式，与之对应的字节序列(bytes)是以二进制存储各类标准字符串的源码 unic...

I confess that I was considerably shocked by this fresh proof of my comp...

I picked up a magazine from the table, and attempted to pass the time wi...

*significance* 意义，重要性，含义 *stain* M : n 污渍，污迹，染色 v 玷污，染色 *clumsy* M : ...

First written in 4/27/2018 **philosophy on** academic honesty is best st...