class Person: def __init__(self, name, gender, address, email, phone): self.name = name self.gender = gender self.address = address self.email = email self.phone = phone class Staff(Person): def __init__(self, name, gender, address, email, phone, staff_id, salary): super().__init__(name, gender, address, email, phone) self.staff_id = staff_id self.salary = salary class Doctor(Staff): def __init__(self, name, gender, address, email, phone, staff_id, salary, dept): super().__init__(name, gender, address, email, phone, staff_id, salary) self.dept = dept def calculate_salary(self): return self.salary class Nursing_Staff(Staff): def __init__(self, name, gender, address, email, phone, staff_id, salary, dept): super().__init__(name, gender, address, email, phone, staff_id, salary) self.dept = dept class Ambulance_Staff(Staff): def __init__(self, name, gender, address, email, phone, staff_id, salary): super().__init__(name, gender, address, email, phone, staff_id, salary) class Department_Head_Doctor(Doctor): def __init__(self, name, gender, address, email, phone, staff_id, salary, dept): super().__init__(name, gender, address, email, phone, staff_id, salary, dept) self.department = dept def get_allowance(self): return self.salary * 0.1 class Patient(Person): def __init__(self, name, gender, address, email, phone, room_no, cost): super().__init__(name, gender, address, email, phone) self.room_no = room_no self.cost = cost class Inpatient(Patient): def __init__(self, name, gender, address, email, phone, room_no, cost): super().__init__(name, gender, address, email, phone, room_no, cost) class Outpatient(Patient): def __init__(self, name, gender, address, email, phone): super().__init__(name, gender, address, email, phone, None, None) 

can you give the uml diagram and the relationships according to this code