PyCharm 的下载地址:http://www.jetbrains.com/pycharm/download/#section=windows Python下载地址:https://www.python.org/downloads/windows/ 2、标识符 第一个字符必须是字母表中字母或下划线 _ 。 标识符的其他的部分由字母、数字和下划线组成。 标识符对大小写敏感。 3、python保留字 保留字即关键字,我们不...
Open http://localhost:3000 to view it in the browser. The page will reload if you make edits. You will also see any lint errors in the console. npm test Launches the test runner in the interactive watch mode. See the section about running tests for more information. npm run build Build...