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04_inherintance.py
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04_inherintance.py
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#Python OOP
class Employee:
num_of_emps=0
#raise_amount=1.04
raise_amt=1.04
def __init__(self, first, last, pay):
self.first=first
self.last=last
self.pay=pay
self.email=first+'.'+last+'@company.com'
Employee.num_of_emps+=1
def fullname(self):
return '{} {}'.format(self.first, self.last)
def apply_raise(self):
self.pay=int(self.pay*self.raise_amt)
@classmethod
def set_raise_amt(cls, amount):
#pass
cls.raise_amt=amount
@classmethod
def from_string(cls, emp_str):
#pass
first, last, pay = emp_str.split('-')
return cls(first, last, pay)
@staticmethod
def is_workday(day):
if day.weekday() == 5 or day.weekday() == 6:
return False
return True
class Developer(Employee):
#class Developer():
#pass
raise_amt=1.10
def __init__(self, first, last, pay, prog_lang):
super().__init__(first, last, pay)
#or
#Employee.__init__(self, first, last, pay)
self.prog_lang=prog_lang
class Manager(Employee):
#class Manager():
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=Employee('Corey','Schafer',50000)
#dev_2=Employee('Test','User',60000)
dev_1=Developer('Corey','Schafer',50000,"Python")
dev_2=Developer('Test','Employee',60000, "Java")
mgr_1 = Manager('Sue', 'Smith', 90000, [dev_1])
print("---")
print(isinstance(mgr_1, Manager))
print(isinstance(mgr_1, Employee))
print(isinstance(mgr_1, Developer))
print("---")
print(issubclass(Developer, Employee))
print(issubclass(Manager, Employee))
print(issubclass(Manager, Developer))
print("---")
#print(mgr_1.email)
#mgr_1.add_emp(dev_2)
#mgr_1.remove_emp(dev_1)
#mgr_1.print_emps()
print("---")
#print(help(Developer))
#print(dev_1.email)
#print(dev_1.prog_lang)
#print(dev_2.email)
#print("---")
#print(dev_1.pay)
#print(dev_2.pay)
#dev_1.apply_raise()
#print(dev_1.pay)
#print(dev_2.pay)