rxpy observablesobservers and subjects introduction in this we will discuss observablesobservers and subjects we also consider how observers may or may not run concurrently in the remainder of this we look at rxpy version which is major update from rxpy version (you will therefore need to be careful if you are looking on the web for examples as some aspects have changedmost notably the way in which operators are chained observables in rxpy an observable is python class that publishes data so that it can be processed by one or more observers (potentially running in separate threadsan observable can be created to publish data from static data or from dynamic sources observables can be chained tougher to control how and when data is publishedto transform data before it is published and to restrict what data is actually published for exampleto create an observable from list of values we can use the rx from_list(function this function (also known as an rxpy operatoris used to create the new observable objectimport rx observable rx from_list([ ](cspringer nature switzerland ag huntadvanced guide to python programmingundergraduate topics in computer science