Pyathon-3

A complete class for CommissionEmployee is given below.

CommissionEmployee is being paid a percentage of sales.

You need to do:

1.Write a Python program for SalariedCommissionEmployee class using the CommissionEmployee as the base class.

A SalariedCommissionEmployee will receive a percentage of their sales and base salary.

The new attribute for the derived class is: base_salary

The earnings method would include: commission + base_salary

Override the def__repr__(self) for this new class to include base_salary

2. Write a main program to demonstrate that it has all the capabilities of the base class and subclass with appropriate printouts

3. Draw a Class Diagram showing attributes and methods & inheritance relationship between CommissionEmployee and SalariedCommissionEmployee

-------------------------------Complete the program------------------------------------------

# commmissionemployee.py

"""CommissionEmployee base class."""

from decimal import Decimal

class CommissionEmployee:

"""An employee who gets paid commission based on gross sales."""

def __init__(self, first_name, last_name, ssn,

gross_sales, commission_rate):

"""Initialize CommissionEmployee's attributes."""

self._first_name = first_name

self._last_name = last_name

self._ssn = ssn

self.gross_sales = gross_sales # validate via property

self.commission_rate = commission_rate # validate via property

@property

def first_name(self):

return self._first_name

@property

def last_name(self):

return self._last_name

@property

def ssn(self):

return self._ssn

@property

def gross_sales(self):

return self._gross_sales

@gross_sales.setter

def gross_sales(self, sales):

"""Set gross sales or raise ValueError if invalid."""

if sales < Decimal('0.00'):

raise ValueError('Gross sales must be >= to 0')

self._gross_sales = sales

@property

def commission_rate(self):

return self._commission_rate

@commission_rate.setter

def commission_rate(self, rate):

"""Set commission rate or raise ValueError if invalid."""

if not (Decimal('0.0') < rate < Decimal('1.0')):

raise ValueError(

'Interest rate must be greater than 0 and less than 1')

self._commission_rate = rate

def earnings(self):

"""Calculate earnings."""

return self.gross_sales * self.commission_rate

def __repr__(self):

"""Return string representation for repr()."""

return ('CommissionEmployee: ' +

f'{self.first_name} {self.last_name} ' +

f'social security number: {self.ssn} ' +

f'gross sales: {self.gross_sales:.2f} ' +

f'commission rate: {self.commission_rate:.2f}')