def main():
student1 = Student('Alice', 22)
student2 = Student('Bob', 42)
student3 = Student('Kate', 18)
student3.accept_task(1)
student3.accept_task(3)
student3.accept_task(2)
student3.accept_task(5)
student1.accept_task_v2(6, 7, 8)
student1.pretty_print()
student2.pretty_print()
student3.pretty_print()
# pprint.pprint(student1.__dict__)
# pprint.pprint(student2.__dict__)
# student1.__dict__['name'] = 'ALICE'
# print(student1.name)
professor1 = Professor("Garry", 56)
professor1.set_email("*****@*****.**")
professor1.pretty_print()
print("======")
