PyAbs, Python 3 - rextester

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#python 3.6.9

#PyAbs
#this code is created by Rezaul Hoque on January 09,2022;contact: jewelmrh@yahoo.com,Dhaka, Bangladesh
#note: codes shared by Rezaul Hoque on rextester are not for sale; they are created and shared to facilitate the algorithm learning process; many like Hoque use this platform to practice programming ;Rezaul hopes his contribution helps others to fine tune their learning;

from abc import ABC,abstractmethod

class Food(ABC):
    
      def __init__(self, food,color):
            self.food = food
            self.color = color
   
      @property
      def foodcol(self):
            return f"{self.food} \t {self.color}"
   
      @abstractmethod
      def cost(self):
                    pass
        
 
class CookedFood(Food):
    
     def __init__(self,food,color,price,qty):
          super().__init__(food,color)
          self.price = price
          self.qty = qty

def cost(self):
            return self.price*self.qty

class BakedFood(Food):
    
    def __init__(self,food,color,price,qty,charge):
          super().__init__(food,color)
          self.price = price
          self.qty = qty
          self.charge = charge

def cost(self):
           return (self.price*self.qty)+self.charge

class Detail:
       def __init__(self):
                self.foodlist= [ ]

def  add(self,food):
                self.foodlist.append(food)
         #private method
       def __banner(self):
              print("Example: Abstract class,abstract method and private method")
              print("~~~~~~~~~~~~~~~~~~~~~~~~")

def  display(self):
                for i in self.foodlist:
                     print(f"{i.foodcol} \t {i.cost()}")

if __name__ == '__main__':

det = Detail()
       det._Detail__banner()
       det.add(CookedFood('Pakora','Yellow',5,4))
       det.add(CookedFood('Jilebi','Golden',10,5))
       det.add(BakedFood('Rice Cake','White',10,5,10))
       det.add(BakedFood('Vanilla Cake','Brown',35,1,10))
       det.display()

[ + ] Show input
Absolute running time: 0.16 sec, cpu time: 0.03 sec, memory peak: 8 Mb, absolute service time: 0,49 sec