Derived class from Base Class inheriting same methods - Python

Class_Python

class Employee(object):
  """Models real-life employees!"""
  def __init__(self, employee_name):
    self.employee_name = employee_name

  def calculate_wage(self, hours):
    self.hours = hours
    return hours * 20.00

# Add your code below!
class PartTimeEmployee(Employee):
  def calculate_wage(self, hours):
    self.hours = hours
    return hours * 12.00
  
  def full_time_wage(self, hours):
    return super(PartTimeEmployee, self).calculate_wage(hours)

milton = PartTimeEmployee('Milton')
print milton.full_time_wage(10)