automatizacion de envios de correos elctronicos enviar masivo correos electronicos

class that: create a class called "Person" with a method called "greet" that returns "hello"
    ```python
    class Person:
      def greet(self):
        return "hello"
    ```

    class that: automatizacion de envios de correos elctronicos enviar masivo correos electronicos  
```Python