Solution Review 2: Calculate the Student's Performance

class Student:
    def __init__(self, name, phy, chem, bio):
        self.name = name
        self.phy = phy
        self.chem = chem
        self.bio = bio
    def totalObtained(self):
        return(self.phy + self.chem + self.bio)
    def percentage(self):
        return((self.totalObtained() / 300) * 100)