不知道哪里错了，请大神指导

class Person:
    def __init__(self,name,gender):
        self.name=name
        self.gender=gender
class Student(Person):
    def __init__(self,name,gender,score):
        super(Student, self).__init__(name,gender)
        self.score=score

class Teacher(Person):
    def __init__(self,name,gender,subject):
        super(Teacher, self).__init__(name, gender)
        self.subject=subject

class SkillMixin:
    def __init__(self,skill):
        self.skill=skill
class BasketballMixin(SkillMixin):
    def __init__(self,skill,basketball):
        super(BasketballMixin, self).__init__(skill)
        self.basketball=basketball

class FootballMixin(SkillMixin):
    def __init__(self,skill,football):
        super(FootballMixin, self).__init__(skill)
        self.football=football

class BasStudent(Student,BasketballMixin):
    def __init__(self,name,gender,score,skill,basketball):
        super(BasStudent, self).__init__(name,gender,score)
    def getskill(self):
        print("我叫 %s,我会打%s "%(self.name,self.basketball))
a=Student('jiji','boy',13)
b=BasketballMixin('high','篮球',)
c=BasStudent.getskill()
print(c)