rdcoder33

class Robot:

    def __init__(self, name, model_no, creator):
        self.name = name
        self.model_no = model_no
        self.creator = creator

    def walk(self):
        return 'I am walking using my wheels'

rdcoder33

class Shape:
    
    def area(self):
        pass
    
    def perimeter(self):
        pass
    
    
class Square(Shape):

rdcoder33

from abc import ABC, abstractmethod


class Shape(ABC):

    @abstractmethod
    def area(self):
        pass

    @abstractmethod

rdcoder33

from abc import ABC, abstractmethod


class Shape(ABC):

    @abstractmethod
    def area(self):
        pass

    @abstractmethod