python exercise

Write a class Student) such that it has an attribute 'score' [that is initialized with 10) and three methods: 1. add_score: adds 10 to the score 2 decrease scorel: decreases score by 10 3.str returns the current score [should return a string) Example: p Student) printlp) 10 p.add_scorell printlp) 20 p.decrease_score] printlp) 10