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kotlinlang

Hey guys...doing a Kotlin project here but i am having a headache because i am inexperienced in the language
 
This is my code -&gt; <https://pastebin.com/RYTZ7r9z>

It is still incomplete, but i need help on two things: I am reading two .txt files on the beggining of the program, and if you can see my program has a `fun` that uses the file call. 1. Can someone tell me if there is a way to simplify the fun chamadas to prevent double code, like same thing twice and if i can store the file content in a array? 2. How do i call a fun inside another fun. For example i have the `fun lista()` and i want to call the contents of `fun chamadas`, how do i do that?

Thanks....its just frustrating days for me because of all this problems