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 Problems with inheritance with classes
#1
I'm getting a type error.
I want to write a subclass and add an attribute to it, then write a method to display the attribute and call the method.

Class Restaurant ():

def __init__(self, restaurant_name, cuisine_name):
self.restaurant_name = restaurant_name
self.cuisine_name = cuisine_name

def describe_restaurant (self):
print("This is " + self.restaurant name.title())
print(self.cuisine_name.title() + " is the only cuisine right now")

def open_restaurant(self):
print(self.restaurant_name.title() + " is open for business ")

class IceCreamStand(Restaurant):

def __init__(self, restaurant_name, cuisine_name):
super().__init__(restaurant_name, cuisine_name)
self.flavors = flavors

def print_flavors(self):
print(self.flavors)

IceCream = IceCreamStand('dominos', 'pizza', 'BBQ')

IceCream.IceCreamStand.print_flavors()
So basically, I have a class Restaurant and I have a subclass IceCreamStand and I added an attribute flavors to the subclass and a method print_flavors to display the flavors, then I have to call the method.

The specific error I get is TypeError: __init__ takes 3 positional arguments but 4 were given.
Any help would be appreciated.
Quote
#2
2 parameters defined, 3 arguments given
class IceCreamStand(Restaurant):
 
def __init__(self, restaurant_name, cuisine_name):
super().__init__(restaurant_name, cuisine_name)
self.flavors = flavors

IceCream = IceCreamStand('dominos', 'pizza', 'BBQ')
Quote
#3
Hey. I have a similar program and it works perfectly for me. Hope it helps.
class Restaurant():
	"""Information storage for restaurants"""
	def __init__(self,name,cuisine):
		self.name=name
		self.cuisine=cuisine
		self.served=0
	def describe_rest(self):
		first=self.cuisine[0:1]
		if first.lower()=='a' or first.lower()=='i' or first.lower() =='o' or first.lower()=='u' or first.lower()=='e':
			print(self.name.title() + " " + "is an " + self.cuisine.title()+ " " + "restaurant")
		else:
			print(self.name.title() + " " + "is a " + self.cuisine.title()+ " " + "restaurant")
	def rest_open(self):
		print(self.name.title()+ " " +  "is open now")
	def number_served(self):
		"""Prints the number of customers serves by the restaurant"""
		number=str(self.served) + " " + "customers have been served"
		return number 
	def set_number_served(self,people):
		"""Allows to set the number of people served"""
		self.people=people
		print(str(self.people)+ " " + "people have been served")
	def increment_served_people(self,people_served):
		"""Adjusts the number of people served by providing option to increment"""
		print("Number of customers served is " + " " + str(self.people+people_served))
class IceCream_Stand(Restaurant):
	def __init__(self,name,cuisine):
		super().__init__(name,cuisine)
	def flavours(self):
		self.flavours=[]
		self.flavours.append('chocolate')
		self.flavours.append('strawberry')
		self.flavours.append('rocky road')
		self.flavours.append('cotton candy')
		print("Flavours availale today are:")
		for flavour in self.flavours:
			print("\n\t" + flavour.title())
my_icecream=IceCream_Stand('pinkertons' , 'desserts')
my_icecream.describe_rest()
my_icecream.flavours()
Quote
#4
This drives me nuts to see in python
Quote:
print(self.name.title() + " " + "is an " + self.cuisine.title()+ " " + "restaurant")

As it should be
print(f'{self.name.title()} is an {self.cuisine.title()} restaurant')
or at the very worst if they dont have python3.6+
print('{} is an {} restaurant'.format(self.name.title(), self.cuisine.title()))
micseydel, noisefloor, ThomasL like this post
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