<nested list filtering without changing object typ...

# stackoverflow

[user]

nested list filtering without changing object type in kotlin
I want to filter nested lists with kotlin without changing the object type.

https://i.stack.imgur.com/dSYjq.png▾

https://i.stack.imgur.com/D5OYC.png▾

https://i.stack.imgur.com/TPtEP.png▾

For example, I want to get the list 'ExamObj' with age value 27 for the above model.
The method to return the list is as follows.
fun progress(respList: List): List{}
this method takes a list...