Add up hierachy modules lookup to Python

Usually we created nested files so, optimun code order and trying to add better performance to our project we desing most frecuently used methods into modules so, here how we can access from bottom modules to up into our scratched code.

So just adding those lines in the top of our files we will able to access the up hierchies files modules

import sys
sys.path.append("..")

Understanding Angular 8 Event emitters

How communicate my components?

I've been working with Angular 8, as a my common habit I start new projects with technologies I wanna to learn and during design and implementation workflow I use learn and now a day I desire share here stuff from my daily challenges, today I about how I comunicate child components with parent one in my Angular APP and after few researchig hours between read Angular's documentation and research for post with similar content I found that

https://www.intertech.com/Blog/angular-component-tutorial-inputs-outputs-and-eventemitters/

I reallly undestood clearly how @Input, @Output and EventEmitter flows throw the Angular environment and I can fix things with it.