---

class Student:
    def __init__(self, name):
        self.name, self.grades = name, []
    def add_grade(self, g): self.grades.append(g)
    def avg(self): return sum(self.grades) / len(self.grades) if self.grades else 0
    def info(self): print(self.name, self.grades, self.avg())

# Данные для запуска:
s = Student("Иван")
s.add_grade(5)
s.add_grade(4)
s.info()