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Python Object-Oriented Python Inheritance Super!

Andrei Oprescu
Andrei Oprescu
9,547 Points

What does this question mean?

I am doing a challange and I am on the 3rd objective. it has this question:

Sorted inventories should be just that: sorted. Right now, we just add an item onto the slots list whenever our add_item method is called. Use the list.sort() method to make sure the slots list gets sorted after an item is added. Only do this in the SortedInventory class.

And I have this code:

import list

class Inventory: def init(self): self.slots = []

def add_item(self, item):
    self.slots.append(item)

class SortedInventory(Inventory):

def add_item(self, item):
    super().add_item(item)
    list.sort(self.slots)

When it says to use the list.sort() method does it mean I have to make another method? Please answer if you know.

Thanks

inventory.py
import list

class Inventory:
    def __init__(self):
        self.slots = []

    def add_item(self, item):
        self.slots.append(item)

class SortedInventory(Inventory):

    def add_item(self, item):
        super().add_item(item)
        list.sort(self.slots)

2 Answers

Dan Garrison
Dan Garrison
22,457 Points

Your code looks fine. Except you don't need to import list. I think that is why it is failing. You don't need to create a new method. list.sort() is already a method on the list object.

Andrei Oprescu
Andrei Oprescu
9,547 Points

Thanks! It actually worked