What is the difference between having a co-signer and becoming an authorized user?

Hello my name is mihai and i need your : )i have to do a python project in computer science and i’m really busy with my mocks this period of time besides this i’m not good at coding so could someone pls pls pls sort me out ? i actually beg ; ))

What is the algorithm for building a binary tree program

One subtask in the game is to roll the dice. explain why is roll the dice an abstraction.