3. A bag contains 3 red balls, 2 yellow balls, and 2 blue balls. I pick a ball then pick a second ball (without replacing the first). Write a Python script that prints out all the possible combinations that I could pick. What is the probability that I pick two different colours? 4. A bag contains 3 red balls, 2 yellow balls, and 2 blue balls. I pick a ball, replace it, then pick a second ball. Write a Python script that prints out all the possible combinations that I could pick. What is the probability that I pick two different colours