Attribute error in multiple inheritance using Python

Question

I'm facing Attribute Error in multiple inheritance program to calculate total cost of painting a room.
Room(area) cost of painting(per meter square)
\ /
total cost of painting
Formula :
area = 2lb+2bh+2hl
input:
l=5 b=5 h=5 cost (per metersquare) = 50

output:
7500

Here is the code I have written pls fix the error
And give the solution

https://code.sololearn.com/cwsghPJqYQjX

Thank you

Answer 1

You could try something like this

class Room:
def __init__(self):
self.l=int(input("enter length of room != "))
self.b= int(input("enter breath of room = "))
self.h =int(input("enter height of room = "))

def area(self):
a = 2*(self.l * self.b)+2*(self.h * self.b)+2*(self.h * self.l)
return a

class Paint:
def __init__(self):
self.amt = int(input("enter cost per meter square = "))

class Cost():
def totalcost(self):
c = Room().area() * Paint().amt
print("total cost to paint a room = ",c)

def area(self):
return Room().area()

c1 = Cost()

Answer 2

thank you for the response but @Achn371 this code is about multiple inheritance.....