Python OOP Tutorial - 4. Inheritance - Creating Subclasses
Run Code 1 in Python
# file: 'start4.py'
class Employee:
raise_amt = 1.04
def __init__(self, first, last, pay):
self.first = first
self.last = last
self.email = first + '.' + last + '@email.com'
self.pay = pay
def fullname(self):
return '{} {}'.format(self.first, self.last)
def apply_raise(self):
self.pay = int(self.pay * self.raise_amt)
dev_1 = Employee('Corey', 'Schafer', 50000)
dev_2 = Employee('Test', 'Employee', 60000)
print(dev_1.email)
print(dev_2.email)
start4.py
Run Code 2 in Python
# file: 'start4-2.py'
class Employee:
raise_amt = 1.04
def __init__(self, first, last, pay):
self.first = first
self.last = last
self.email = first + '.' + last + '@email.com'
self.pay = pay
def fullname(self):
return '{} {}'.format(self.first, self.last)
def apply_raise(self):
self.pay = int(self.pay * self.raise_amt)
class Developer(Employee):
raise_amt = 1.10
def __init__(self, first, last, pay, prog_lang):
super().__init__(first, last, pay)
self.prog_lang = prog_lang
class Manager(Employee):
def __init__(self, first, last, pay, employees=None):
super().__init__(first, last, pay)
if employees is None:
self.employees = []
else:
self.employees = employees
def add_emp(self, emp):
if emp not in self.employees:
self.employees.append(emp)
def remove_emp(self, emp):
if emp in self.employees:
self.employees.remove(emp)
def print_emps(self):
for emp in self.employees:
print('-->', emp.fullname())
dev_1 = Developer('Corey', 'Schafer', 50000, 'Python')
dev_2 = Developer('Test', 'Employee', 60000, 'Java')
mgr_1 = Manager('Sue', 'Smith', 90000, [dev_1])
print(mgr_1.email)
mgr_1.add_emp(dev_2)
mgr_1.remove_emp(dev_2)
mgr_1.print_emps()
start4-2.py