Tạo một lớp con

class Employee:
    MIN_SALARY = 30000    

    def __init__(self, name, salary=MIN_SALARY):
        self.name = name
        if salary >= Employee.MIN_SALARY:
            self.salary = salary
        else:
            self.salary = Employee.MIN_SALARY
        
    def give_raise(self, amount):
        self.salary += amount      
        
# Define a new class Manager inheriting from Employee
____
    # Add a keyword to leave this class empty
    ____

# Define a Manager object
mng = ____

# Print mng's name
print(____)