Summary of Python Main Function Best Practices Here are four key best practices aboutmain()in Python that you just saw: Put code that takes a long time to run or has other effects on the computer in a function or class, so you can control exactly when that code is executed. ...
Python 没有主函数(mainfunction)或主方法(main method)。相反,Python 有一个主模块(main module)。主模块是第一个运行的源文件。 bash % python3 prog.py ... 在应用程序启动时,提供给解释器的任何文件都将成为主模块。名字并不重要。 __main__检查 对于作为主脚本运行的模块,使用此约定(译注:__main__检...
pythonmain方法returnpythonmainfunction python主要功能Pythonmainfunction is executed only when it’s being executed as apythonprogram. As you know, we can also import apythonprogram as a module, in that casepythonmainmethod should not python main方法return ...
14 >>> method = getattr(list, 'add') 15 Traceback (most recent call last): 16 File "<stdin>", line 1, in <module> 17 AttributeError: type object 'list' has no attribute 'add' 18 >>> method = getattr(list, 'add', 'NoMethod') 19 >>> method 20 'NoMethod' 1. 2. 3. 4...
deftest():print('This is test method in com.richard.other')defmain(): test()if__name__=='__main__':print('直接运行时,__name__属性:',__name__) main()else:#导入时被执行print('导入时,__name__属性:',__name__) 直接运行时,输出: ...
（一） 简单说明 字典是Python的内置数据结构，将数据与键关联（例如：姓名：张三，姓名是键，...
问线程"main“java.io.IOException异常:无法运行程序: error=2，没有这样的文件或目录EN***uuid是什么*** UUID含义是通用唯一识别码 (Universally Unique Identifier)，这 是一个软件建构的标准。 --- 今天编译源码竟然出现这样的问题：g++: error: /usr/lib/libuuid.a: 没有那个文件或目录。 使用sudo apt...
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Python基础-main 2019-12-19 22:31 −Python基础-_main_ 写在前面 如非特别说明,下文均基于Python3 一、__main__的官方解释 参考 _main_ -- Top-level script environment '_main_' is the name of the scope in w... 月光下的脚步 0