How to creat a function that receives a tuple of characters and returns them in an organised form so I can use it as a key generator

Hello guys. so my assignment consists in creating a key generator so i can use it in later steps of my work. In my first step i have to write a function called key_generator that receives an argument, letters, that consists in a tuple of 25 caracters. The function returns a tuple of 5 tuples of

need help for an assignment plz noob here

Hello guys. so my assignment consists in creating a key generator so i can use it in later steps of my work. In my first step i have to write a function called key_generator that receives an argument, letters, that consists in a tuple of 25 caracters. The function returns a tuple of 5 tuples of