目录一、jdk安装二、环境变量的配置1、右击计算机，点击属性2、添加上述上个环境变量三、有些人输入Javac时总结一、jdk安装
When开发者_运维知识库ever I pass a complicated data structure to Mako, it\'s hard to iterate it. For example, I pass a dict of dict of list, and to access it in Mako, I have to do something like:
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