Write a program that returns a list containing only the common elements between two lists. For example, given the lists [1, 2, 3, 4] and [3, 4, 5, 6], the program should return [3, 4]. what u think about my sulution

Here, I recommend you check this similar post. Follow the link below. It will direct you to some great videos about coding paradigms and software design. These are my favorie all time YouTube coding channels. Click on the name of the channels to visit the videos that I recommended to the other user. And do not feel overwhelmed. Watch those videos patiently, your coding style will immediately change.