开篇:python之禅

对待代码,就像对待情人,要用心,要写得大方,优雅。曾有人用代码量来评估编程水平,纯属扯淡。如果你的代码,能让普通人都看得懂,那必然是好的代码,如果你的代码给同行人带来迷惑,那你该为自己感到羞愧!废话一堆,见正文。

>>> import this
The Zen of Python, by Tim Peters
/*美的要比丑好,好实在的废话,抽象到不用解释!*/
Beautiful is better than ugly.
/*代码要像做人一样,不要那么多骚套路,简单点,写代码的姿势简单点。
遵循规范,自己舒服,别人也舒服。*/
Explicit is better than implicit.
/*代码逻辑要清晰简单,用人的角度想问题,顺理成章的写,不要简单问题复杂化。*/
Simple is better than complex.
/*好吧,如果问题确实挺复杂,那也要写得清晰,不能凌乱到自己都抗拒回看*/
Complex is better than complicated.
/*嵌套真的会加大阅读难度,咱能恶心计算机,咱不能恶心人呀*/
Flat is better than nested.
/*你要压缩代码吗?你是不想让别人看吗?你是觉得多点代码,会加大你的电脑负担吗?
不是的话,请把变量名缩写改回来,请把该有的缩进加回来,如果你的一
行代码很难阅读,改成三行吧。*/
Sparse is better than dense.
/*伙计代码可读性老重要了,尽管你的具体实现好复杂,也不能打破上面的规则,
别骗自己啦,其实你可以写的更好的。*/
Readability counts.
Special cases aren't special enough to break the rules.
Although practicality beats purity.
/*应该精确控制每一个错误,不至于当错误爆发时,你竟然方了,这什么鬼?
如果你不想让程序报错,就把程序写的健壮点。*/
Errors should never pass silently.
Unless explicitly silenced.
/*面对分歧,不要瞎猜,应该试图找唯一一种最合理的方式去解决他,
要理性思考,理性分析。虽然这挺难,但是也要这么做。*/
In the face of ambiguity, refuse the temptation to guess.
There should be one-- and preferably only one --obvious way to do it.
Although that way may not be obvious at first unless you're Dutch.
/*如果你觉得做某事太迟了,那现在就是做此事最早的时刻,励志到好像不是在讲代码了。*/
Now is better than never.
/*当然,客观讲,你如果走错了方向,那还不如老实待在原点呢,所以要多思考呀,别走反了路子。
不过个人认为,走点反路也没啥,走了反路,才更明白正确的路该怎么走,只是别老走冤枉路啊。*/
Although never is often better than *right* now.
/*如果你的实现方式,你自己都觉得不太合理,那还是别出来丢人了。
你应该为你写的东西感到自豪。*/
If the implementation is hard to explain, it's a bad idea.
If the implementation is easy to explain, it may be a good idea.
/*命名空间真是个好的理念,大家都来用呀。啥叫命名空间呀?不就是一个大包包里面,
装了好多小包包,小包包里面又有好多小包包,小包包里面又有小包包。。。大神都讲了,
万物皆对象呀,自然万事都既是大包包也是小包包了!*/
Namespaces are one honking great idea -- let's do more of those!

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