目录技术背景简单类实现classmethod方法总结概要版权声明技术背景 在python的类型设计中，有时候会遇到一个cls参数。其实cls参数就是一个约定俗成的名称，用其他的名字也能正常运行但不建议这么用。它的作用类似于实
I have an application that I am building that needs to modify a configuration file. My problem is that I am not able to read the file in line by line.I keep geeting the the entire file as a single st
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