Google Hash

class Pizzeria:
    def __init__(self, Max):
        self.Pizzas = [] # Array of pizza objects.
        self.Max = Max # Maximum number of pizza slices.

    def addPizza(self, pizzaObject):
        if type(pizzaObject) is Pizza:
            self.Pizzas.append(pizzaObject)
            return pizzaObject
        else:
            return False

    def __getitem__(self, itemKey):
        try:
            return self.Pizzas[itemKey]
        except IndexError:
            return False

    def __len__(self):
        return len(self.Pizzas)

    def __str__(self):
        returnString = '['
        for currentPizza in self.Pizzas:
            returnString += str(currentPizza)
            returnString += str(", ")
        return returnString[:len(returnString)-2] + str("]")

class Pizza:
    def __init__(self, Size):
        if Size < 0:
            raise ValueError('Pizza size must be a positive number.')
        else:
            self.Size = Size

    def __len__(self):
        return self.Size

    def __str__(self):
        return str(self.Size)

def readFile(filePath):
    newFile = open(filePath, "r")
    fileLines = [fileLine.replace("\n", "") for fileLine in newFile.readlines() if fileLine != '\n']
    fileContent = [list(map(int, fileLines[0].split(" "))), list(map(int, fileLines[1].split(" ")))]
    newFile.close()
    return fileContent

def generateObjects(fileContent):
    MyPizzeria = Pizzeria(fileContent[0][0])
    for currentPizza in fileContent[1]:
        MyPizzeria.addPizza(Pizza(currentPizza))
    return MyPizzeria