14/18 TypeError

Language Help Python
1

Hey! I have been having a trouble with my code. If anyone can help that would be awesome!

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

class PartTimeEmployee(Employee):
    def calculate_wage(self, hours):
        return hours * 12.00
    
    def full_time_wage(self, hours):
        return super(PartTimeEmployee, self).calculate_wage()
milton = PartTimeEmployee("Milton")
print milton.full_time_wage(10)
2

Hi @pixel_craft554 ,

The calculate_wage method needs to take an argument for hours. But you have …

return super(PartTimeEmployee, self).calculate_wage()

In fact, to conform to the instructions from the earlier exercises, you should have this …

class PartTimeEmployee(Employee):
    def calculate_wage(self, hours):
        self.hours = hours
        return self.hours * 12.00
    def full_time_wage(self, hours):
        self.hours = hours
        return super(PartTimeEmployee, self).calculate_wage(self.hours)

Note that the above has …

self.hours = hours

… in both methods

1 Like
3

Thanks! I’ll try that.

4

I seem to have the code you suggested but it won’t work correctly. It gives me the error message “Oops, try again. milton.full_time_wage(0) returned 200.0 instead of the correct value: 0”

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(self.hours)

milton = PartTimeEmployee(“Milton”)

print milton.calculate_wage(10)

if I use hours instead of self.hours as an argument in calculate_wage it goes through fine but the result for 10 hours is 120 when it is supposed to be 200

1 Like
5

change this:return super(PartTimeEmployee, self).calculate_wage(self.hours)
to:

return super(PartTimeEmployee, self).calculate_wage(hours)

That should do the trick

6

In the original method “calculate_wage” requires two arguments (self, hours). Why is only one argument required when using the super call?