Write a class for describing student. It includes three attributes: studentID, name and score, in which score should be a list to contain scores of several courses. This class also includes a method named as get_ID for returning studentID, a method named as get_name for returning student's name, a method named as get_max_score for returning the max score of this student, a method named as get_mean_score for returning the mean score of this student.

Then write two instances of this class with different studentID, different name, and different number of scores, print studentID, name, scores, max score and mean score for each student.