How can I write a function with an argument, return the list as a value and add one to it?

Question

My function is add_one. As far as I know I'm supposed to enter add_one=[], add_one = ([1, 2, 3)]

Answer 1

you should show us the code you have done so far. Then we can help you for sure.

Answer 2

That is the code I have done so far because it's asked me to call the function add_one and so I type def add_one(1,2,3) and that's all I know how to do bc I don't have any good resources for learning this stuff