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well we know that stateful class builds every widget on the tree on the other hand stateful builder just builds a particular widget the widget you need to be rebuild thats why we are not going to work with stateful class this time we are going to build a stateless class there is a stateless widget and inside the stateless widget we have count variable and inside this body section we have three children inside the column while the first children is column as well and then which is size box and elevated button actually what we want to do we are going to build this is the section that we are going to build and rebuild not this widget now this widget is represented by the elevated button over here as you can see now since we are going to rebuild or build this widget over here we need to wrap this around a stateful builder widget now here is this column section is wrapped by the stateful builder and it takes the context and a callback function which is called my