变量作用域变量由作用范围限制分类：按照作用域分类全局(global)：在函数外部定义局部(local)：在函数内部定义变量的作用范围全局变量：在整个全局范围都有效全局变量在局部可以使用（即函数内部可以访问函数外部定义的变量）局部变量在局部范围可以使用局部变量在全局范围无法使用LEGB原则L（Local）局部作用域E（Enclosing function local）外部嵌套函数作用域G（Glob....

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分布式计算框架 MaxCompute MaxFrame

MaxCompute MaxFrame 是阿里云自研分布式计算框架，支持 Python 编程接口并可直接使用 MaxCompute 计算资源及数据接口，与 MaxCompute Notebook、镜像管理等功能共同构成 MaxCompute 完整 Python 开发生态。

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