class Shape:

 def _init_(self):

 self.area=0

 self.name=" "

 def showArea(self):

 print("The area of the", self.name,"is", self.area,"units")

class Circle(Shape):

 def __init__(self, radius):

 self.area=0

 self.name="circle"

 self.radius=radius

 def calarea(self):

 self.area=math.pi*self.radius*self.radius

class Rectangle(Shape):

 def __init__(self, length, breadth):

 self.area=0

 self.name="Rectangle"

 self.length=length

 self.breadth=breadth

 def calarea(self):

 self.area=self.length*self.breadth

class Triangle(Shape):

 def __init__(self, base,height):

 self.area=0

 self.name="Triangle"

 self.base=base

 self.height=height

 def calarea(self):

 self.area=self.base*self.height/2

c1=Circle(5)

c1.calarea()

c1.showArea()

r1=Rectangle(4, 5)

r1.calarea()

r1.showArea()

t1=Triangle(3,4)

t1.calarea()

t1.showArea()









class Employee:

 def __init__(self):

 self.name=" "

 self.empid=" "

 self.dept=" "

 self.salary= 0

 def getEmpDetails(self):

 self.name=input("Enter Employee name: ")

 self.empid=input("Enter Employee ID:")

 self.dept=input("Enter Employee Dept: ")

 self.salary=int(input( "Enter Employee Salary:"))

 def showEmpDetails(self):

 print("Employee Detils")

 print("Name : ", self.name)

 print("ID :", self.empid)

 print("Dept:", self.dept)

 print("Salary: ", self.salary)

 def updtsalary(self):

 self.salary=int(input("Enter new Salary"))

 print("updated Salary", self.salary)

e1=Employee()

e1.getEmpDetails()

e1.showEmpDetails()

e1.updtsalary()