from person import Person
from school import (Student, Teacher, SchoolClass, School)
klass = SchoolClass(
'7a', Student('a', 'b', 'p', Person('a', 'b', 'p'), Person('a', 'b', 'p')))
teacher = (Teacher('a', 'b', 'p', 'math', klass), )
klasses = (klass, )
school = School(klasses, teacher)
print(school.get_klass_students('7a'))
print(Student.mother)
print(school.get_teacher_students('a'))
