jackfrued / jackfrued/Python-100-Days
Day08，练习2提供移动点并计算距离的问题
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Description
在定义这个时，为什么要加‘__’？
def str(self):
return '(%s, %s)' % (str(self.x), str(self.y))
为什么单个下划线‘str(self):’或者'str_(self):'不行？
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the Day08 exercise 2 example and the definition of str. Explain why Python recognizes the double-underscore name, and why str or str_ is not equivalent; done means the naming rule and contrast are clearly documented.
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Assessment
- Tech stack
- python
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 1/5
- Estimated time
- Under an hour
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 35/100