from student import Student
from professor import Professor
s1 = Student('Hung', 13)
s1.setId(1234)
s1.joinASubject('Math')
s2 = Student('Mai', 27)
s2.setId(456)
s1.joinASubject('English')
p1 = Professor('Luong', 28)
p1.setDomain('Math')
s1.sayHello()
print('s1 id: ' + str(s1.getId()))
print('s1 subjects: ' + str(s1.getSubject()))
s2.sayHello()
print('s2 id: ' + str(s2.getId()))
print('s2 subjects: ' + str(s2.getSubject()))
p1.sayHello()
print('p1 domain: ' + p1.getDomain())
